CVE-2021-24211: The WordPress Related Posts plugin through 3.6.4 contains an authenticated (admin+) stored XSS vulnerability in the title field on the settings page. By exploiting that an attacker will be able to exe

medium Affects wordpress-related-posts (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The WordPress Related Posts plugin through 3.6.4 contains an authenticated (admin+) stored XSS vulnerability in the title field on the settings page. By exploiting that an attacker will be able to exe

Package
wordpress-related-posts (WordPress plugin) WordPress
Affected versions
<=3.6.4
Fixed in
no fix recorded
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (49.9th percentile)
Published
2021-04-05
Source
nvd

References

CWE-79
NVD recordwordpress-related-posts (WordPress plugin) advisories

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.

Install docs   How findings are ranked

Related advisories