Vulnerability Description
The Envira Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the gallery 'description' configuration field in all versions up to, and including, 1.12.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses a page displaying the gallery with a description enabled.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/gl
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/gl
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/gl
- https://plugins.trac.wordpress.org/changeset/3514026/envira-gallery-lite/trunk/i
- https://www.wordfence.com/threat-intel/vulnerabilities/id/17de5b96-7a61-4f37-a92
FAQ
What is CVE-2026-3423?
CVE-2026-3423 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Envira Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the gallery 'description' configuration field in all versions up to, and including, 1.12.4 due to insufficient ...
How severe is CVE-2026-3423?
CVE-2026-3423 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-2026-3423?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.