CVE-2021-36872

5.4 mediumEPSS 0.6%

Medium (5.4) in wordpress popular posts project wordpress popular posts. EPSS 0.6% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-09-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wordpress_popular_posts_project:wordpress_popular_posts

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
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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