CVE-2021-36872

Published: Sep 23, 2021Modified: Jun 17, 2026

5.4

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.3 / Impact: 2.7

Source: NVD

Description

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress Popular Posts plugin (versions <= 5.3.3). Vulnerable at &widget-wpp[2][post_type].

Affected (1)

Products: Wordpress Popular Posts Project: Wordpress Popular Posts

Wordpress Popular Posts Project

1 product

Wordpress Popular Posts

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Wordpress Popular Posts Project Wordpress Popular Posts	Up to 5.3.3

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://github.com/cabrerahector/wordpress-popular-posts/blob/master/changelog.md

Source: audit@patchstack.com

Release NotesThird Party Advisory

https://patchstack.com/database/vulnerability/wordpress-popular-posts/wordpress-popular-posts-plugin-5-3-3-authenticated-persistent-cross-site-scripting-xss-vulnerability

Source: audit@patchstack.com

Third Party Advisory

https://github.com/cabrerahector/wordpress-popular-posts/blob/master/changelog.md

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesThird Party Advisory

https://patchstack.com/database/vulnerability/wordpress-popular-posts/wordpress-popular-posts-plugin-5-3-3-authenticated-persistent-cross-site-scripting-xss-vulnerability

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.