CVE-2023-2433

Summary

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 Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CVE Program Container

Additional References

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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

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

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