CVE-2023-2433
YARPP – Yet Another Related Posts Plugin <= 5.30.3 - Authenticated (Contributor+) Stored Cross-Site Scripting
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | jeffparker |
| Product | yarpp – yet another related posts plugin |
| Published | Jul 18, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
jeffparker / YARPP – Yet Another Related Posts Plugin
0 ≤ 5.30.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/35bd7462-8dab-43b2-9941-fef6f826cfdc?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/yet-another-related-posts-plugin/tags/5.30.3/classes/YARPP_Core.php#L1623 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2939617/yet-another-related-posts-plugin/trunk/classes/YARPP_Core.php
Credits
István Márton