Vulnerability Description
The WP Docs plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpdocs_options[icon_size]' parameter in all versions up to, and including, 2.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/changeset/3481830/wp-docs
- https://www.wordfence.com/threat-intel/vulnerabilities/id/e11ecf13-0b3b-4148-abc
FAQ
What is CVE-2026-3878?
CVE-2026-3878 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The WP Docs plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpdocs_options[icon_size]' parameter in all versions up to, and including, 2.2.9 due to insufficient input saniti...
How severe is CVE-2026-3878?
CVE-2026-3878 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3878?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.