Vulnerability · Published Mar 4, 2026 · Assigned by Wordfence
CVE-2026-1236Envira Gallery for WordPress <= 1.12.3 - Authenticated (Author+) Stored Cross-Site Scripting via 'justified_gallery_theme' Parameter via REST API
Medium 6.4
In plain English
A medium-severity cross-site scripting in Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More from smub. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Official description
The Envira Gallery for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'justified_gallery_theme' parameter in all versions up to, and including, 1.12.3 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 an injected page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| smub | Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More | 0 – through 1.12.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bc552d46-79ca-4540-8620-5a031238cd62?source=cve
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/shortcode.php#L302
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/tags/1.12.3/includes/global/shortcode.php#L302
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3465371%40envira-gallery-lite&old=3444965%40envira-gallery-lite&sfp_email=&sfph_mail=