Vulnerability in Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More — CVE-2026-3423
MediumSeverity
0.2%Estimated exploit probability
100,000+ sitesInstalls
1.12.5Fixed in
What to do now
Update Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More to 1.12.5 or later.
Affected versions
- Everything up to and including 1.12.4
Affected: Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More (plugin, envira-gallery-lite)
What the vulnerability is
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.
Sources
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/rest.php#L192
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/rest.php#L239
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/shortcode.php#L807
- https://plugins.trac.wordpress.org/changeset/3514026/envira-gallery-lite/trunk/includes/global/shortcode.php?old=3465371&old_path=envira-gallery-lite%2Ftrunk%2Fincludes%2Fglobal%2Fshortcode.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/17de5b96-7a61-4f37-a921-6a023cc40812?source=cve