CVE-2021-3313
Plone CMS Stored XSS
Description
Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname property and the file upload functionality. The user's input data is not properly encoded when being echoed back to the user. This data can be interpreted as executable code by the browser and allows an attacker to execute JavaScript in the context of the victim's browser if the victim opens a vulnerable page containing an XSS payload.
INFO
Published Date :
May 20, 2021, 4:15 p.m.
Last Modified :
May 25, 2021, 7:01 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
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-2021-3313.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/05/22/1 | Mailing List Third Party Advisory |
| https://plone.org/download/releases/5.2.3 | Release Notes Vendor Advisory |
| https://plone.org/security/hotfix/20210518 | Vendor Advisory |
| https://www.compass-security.com/fileadmin/Research/Advisories/2021-07_CSNC-2021-013_XSS_in_Plone_CMS.txt | Exploit 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-2021-3313 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3313 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 25, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/22/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/22/1 Mailing List, Third Party Advisory Changed Reference Type https://plone.org/download/releases/5.2.3 No Types Assigned https://plone.org/download/releases/5.2.3 Release Notes, Vendor Advisory Changed Reference Type https://plone.org/security/hotfix/20210518 No Types Assigned https://plone.org/security/hotfix/20210518 Vendor Advisory Changed Reference Type https://www.compass-security.com/fileadmin/Research/Advisories/2021-07_CSNC-2021-013_XSS_in_Plone_CMS.txt No Types Assigned https://www.compass-security.com/fileadmin/Research/Advisories/2021-07_CSNC-2021-013_XSS_in_Plone_CMS.txt Exploit, Third Party Advisory Added CWE NIST CWE-79 Added CPE Configuration OR *cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.4 -
CVE Modified by [email protected]
May. 22, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/05/22/1 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3313 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-2021-3313
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.34217
percentile