CVE-2026-1236

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.

Score

CVSS 3.1 6.4 Medium

Status

Deferred - security@wordfence.com

Published

2026-03-04

Last modified

2026-04-08

Weaknesses

CWE-79

Affected products

• Albums (Smub)
• Envira Gallery Image Photo Gallery (Smub)
• Slideshows More (Smub)
• Video Gallery (Smub)

References

• https://plugins.trac.wordpress.org/browser/envira-gallery-lite/tags/1.12.3/includes/global/shortcode.php#L302
• https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/shortcode.php#L302
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3465371%40envira-gallery-lite&old=3444…
• https://www.wordfence.com/threat-intel/vulnerabilities/id/bc552d46-79ca-4540-8620-5a031238cd62?source=cve