4.3
MEDIUM
CVE-2010-4536
WordPress KSES Malicious HTMLInjection and Scripting Vulnerability
Description

Multiple cross-site scripting (XSS) vulnerabilities in KSES, as used in WordPress before 3.0.4, allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) the & (ampersand) character, (2) the case of an attribute name, (3) a padded entity, and (4) an entity that is not in normalized form.

INFO

Published Date :

Jan. 3, 2011, 8 p.m.

Last Modified :

Nov. 21, 2024, 1:21 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2010-4536 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wordpress wordpress
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2010-4536.

URL Resource
http://core.trac.wordpress.org/changeset/17172/branches/3.0 Patch Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053289.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053293.html Third Party Advisory
http://secunia.com/advisories/42755 Third Party Advisory
http://secunia.com/advisories/43000 Third Party Advisory
http://wordpress.org/news/2010/12/3-0-4-update/ Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2010/12/30/1 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/45620 Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2010/3335 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0167 Third Party Advisory
http://core.trac.wordpress.org/changeset/17172/branches/3.0 Patch Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053289.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053293.html Third Party Advisory
http://secunia.com/advisories/42755 Third Party Advisory
http://secunia.com/advisories/43000 Third Party Advisory
http://wordpress.org/news/2010/12/3-0-4-update/ Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2010/12/30/1 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/45620 Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2010/3335 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0167 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2010-4536 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2010-4536 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://core.trac.wordpress.org/changeset/17172/branches/3.0
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053289.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053293.html
    Added Reference http://secunia.com/advisories/42755
    Added Reference http://secunia.com/advisories/43000
    Added Reference http://wordpress.org/news/2010/12/3-0-4-update/
    Added Reference http://www.openwall.com/lists/oss-security/2010/12/30/1
    Added Reference http://www.securityfocus.com/bid/45620
    Added Reference http://www.vupen.com/english/advisories/2010/3335
    Added Reference http://www.vupen.com/english/advisories/2011/0167
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 21, 2017

    Action Type Old Value New Value
    Changed Reference Type http://www.vupen.com/english/advisories/2011/0167 No Types Assigned http://www.vupen.com/english/advisories/2011/0167 Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/45620 No Types Assigned http://www.securityfocus.com/bid/45620 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.openwall.com/lists/oss-security/2010/12/30/1 Patch http://www.openwall.com/lists/oss-security/2010/12/30/1 Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2010/3335 Vendor Advisory http://www.vupen.com/english/advisories/2010/3335 Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053289.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053289.html Third Party Advisory
    Changed Reference Type http://secunia.com/advisories/43000 No Types Assigned http://secunia.com/advisories/43000 Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053293.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053293.html Third Party Advisory
    Changed Reference Type http://secunia.com/advisories/42755 Vendor Advisory http://secunia.com/advisories/42755 Third Party Advisory
    Changed Reference Type http://core.trac.wordpress.org/changeset/17172/branches/3.0 Patch http://core.trac.wordpress.org/changeset/17172/branches/3.0 Patch, Vendor Advisory
    Changed CPE Configuration OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.6.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.6.2:beta_2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.6.2.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.6.2.1:beta_2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.7:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.71:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.71:*:gold:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.71-gold:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.72:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.72:*:*:rc1:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.72:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.72:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.72:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:0.711:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0:*:platinum:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0:rc3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0:rc4:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0-platinum:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.1:*:miles:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.1-miles:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.2:*:blakey:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.0.2-blakey:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2:*:mingus:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2:beta:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2:delta:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2-delta:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2-mingus:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.2.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.3.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.4:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5:*:strayhorn:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5-strayhorn:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5.1.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5.1.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5.1.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.5.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:1.6:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.4:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.5:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.5:beta:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.5:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.6:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.6:beta:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.6:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.7:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.7:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.7:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.8:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.8:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.9:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.9:beta:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.9rc1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.10:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.10:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.10:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.10:rc3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.10_rc1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.10_rc2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.11:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.11:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.11:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.0.11:rc3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:alpha_3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:beta3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:beta4:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.1beta:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.3:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.3:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.3:rc3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.3_rc1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.1.3_rc2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2:*:revision5002:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2:*:revision5003:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2.0:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2_revision5002:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.2_revision5003:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3:beta3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.1:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.2:beta:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.2:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.2:beta3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.2:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.3.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.5:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.5:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.5:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.5:rc3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.5.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6:beta3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6.1:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6.1:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.6.5:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:*:*:coltrane:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:beta3:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7:rc2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7.1:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.7.1:rc1:*:iis:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8:*:iis:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.1:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.1:beta2:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.1:jazzes_themes_and_widgets:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.2:*:iis:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.3:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.4:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.4:*:iis:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.4:a:iis:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.4:b:iis:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.5:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.8.5:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.9:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.9.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.9.1:beta1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.9.1:rc1:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:2.9.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:* *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions up to (including) 3.0.3 *cpe:2.3:a:wordpress:wordpress:3.0.3:*:iis:*:*:*:*:* OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions up to (including) 3.0.3
  • Initial Analysis by [email protected]

    Jan. 04, 2011

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2010-4536 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2010-4536 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.23 }} -0.11%

score

0.85146

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: