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CVE-2023-2433

MEDIUM 5.4 CVSS 3.1
Published
July 18, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

The YARPP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'className' parameter in versions up to, and including, 5.30.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

  • YARPP – Yet Another Related Posts Plugin Plugin · yet-another-related-posts-plugin
    Confirmed match Abandoned
    Up to and including 5.30.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • jeffparker YARPP – Yet Another Related Posts Plugin — Up to and including 5.30.3
  • yarpp yet_another_related_posts_plugin — Up to and including 5.30.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/yet-another-related-posts-plugin/tags/5.30.3/classes/YARPP_Core.php#L1623 Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2939617/yet-another-related-posts-plugin/trunk/classes/YARPP_Core.php Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/35bd7462-8dab-43b2-9941-fef6f826cfdc?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record