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CVE-2026-3423

MEDIUM 6.4 CVSS 3.1
Published
August 28, 2026
Last modified
August 28, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Affected WordPress components

  • Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More Plugin · envira-gallery-lite
    Confirmed match Active
    Up to and including 1.12.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More — Up to and including 1.12.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/rest.php#L192
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/rest.php#L239
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/shortcode.php#L807
  • plugins.trac.wordpress.org 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
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/17de5b96-7a61-4f37-a921-6a023cc40812?source=cve
  • nvd.nist.gov Official NVD record