CVE-2021-36872

WordPress Popular Posts plugin <= 5.3.3 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability

State: Published
Severity: 5.5 Medium
Published: Sep 23, 2021
Updated: Apr 28, 2026
Reserved: Jul 19, 2021

Description

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

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N	Patchstack

Weaknesses

CWE-79 Cross-site Scripting (XSS)

Affected Products

Product	Versions
WordPress Popular PostsHector Cabrera	5.3.3 through 5.3.3Affected

References

https://github.com/cabrerahector/wordpress-popular-posts/blob/master/changelog.md
https://patchstack.com/database/vulnerability/wordpress-popular-posts/wordpress-popular-posts-plugin-5-3-3-authenticated-persistent-cross-site-scripting-xss-vulnerability

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