5.5
MEDIUM
CVE-2021-36873
WordPress iQ Block Country Persistent Cross-Site Scripting Vulnerability
Description

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions <= 1.2.11). Vulnerable parameter: &blockcountry_blockmessage.

INFO

Published Date :

Sept. 23, 2021, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:14 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.3
Public PoC/Exploit Available at Github

CVE-2021-36873 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-36873 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 Webence iq_block_country

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).

bounty collection

Shell Python Dockerfile Ruby JavaScript ASP.NET Classic ASP HTML PHP Jupyter Notebook

Updated: 1 week, 2 days ago
35 stars 7 fork 7 watcher
Born at : Sept. 11, 2023, 11:19 a.m. This repo has been linked 234 different CVEs too.

Advance and Easy recon methodology

Updated: 5 months ago
5 stars 4 fork 4 watcher
Born at : Aug. 22, 2022, 7:04 p.m. This repo has been linked 1 different CVEs too.

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 1 month, 1 week ago
114 stars 38 fork 38 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1654 different CVEs too.

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

The following list is the news that have been mention CVE-2021-36873 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-36873 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 https://patchstack.com/database/vulnerability/iq-block-country-/wordpress-iq-block-country-plugin-1-2-11-authenticated-persistent-cross-site-scripting-xss-vulnerability
    Added Reference https://wordpress.org/plugins/iq-block-country/#developers
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Sep. 29, 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 https://patchstack.com/database/vulnerability/iq-block-country-/wordpress-iq-block-country-plugin-1-2-11-authenticated-persistent-cross-site-scripting-xss-vulnerability No Types Assigned https://patchstack.com/database/vulnerability/iq-block-country-/wordpress-iq-block-country-plugin-1-2-11-authenticated-persistent-cross-site-scripting-xss-vulnerability Third Party Advisory
    Changed Reference Type https://wordpress.org/plugins/iq-block-country/#developers No Types Assigned https://wordpress.org/plugins/iq-block-country/#developers Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:webence:iq_block_country:*:*:*:*:*:wordpress:*:* versions up to (including) 1.2.11
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-2021-36873 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-2021-36873 weaknesses.

Exploit Prediction

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

1.78 }} -9.74%

score

0.81043

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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