Is related-posts (WordPress plugin) vulnerable?

WordPress related-posts has 4 known advisories in the phpwarden feed. Feed 2026.10.28.3, updated 2026-10-28.

4advisories
0critical
0on CISA KEV
2no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2013-3257Cross-site request forgery (CSRF) vulnerability in the Related Posts plugin before 2.7.2 for WordPress allows remote attackers to hijack themedium6.8<=2.7.1 or =1.0 or =1.1 or =1.2 or =1.3 or =1.3.1 or =1.3.2 or =1.3.3 or =1.4 or =1.5 or =1.6 or =1.7 or =1.8 or =1.8.1 or =2.3 or =2.4.1 or =2.5.1 or =2.6 or =2.7–
CVE-2015-9361The Related Posts plugin before 1.8.2 for WordPress has XSS via add_query_arg() and remove_query_arg().medium6.1<1.8.21.8.2
CVE-2021-24482The Related Posts for WordPress plugin through 2.0.4 does not sanitise its heading_text and CSS settings, allowing high privilege users (admmedium4.8<=2.0.4–
CVE-2021-24180Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scrimedium5.4<2.0.42.0.4

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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