CVE-2026-3423

Envira Gallery <= 1.12.4 - Authenticated (Author+) Stored Cross-Site Scripting via Gallery Description

Published: Aug 28, 2026Updated: Aug 28, 2026 Sources: CVE List NVDCWE-79

6.4MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

smub

commercial

Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & MoreOn-premWeb App

Web & CMS Plugins / wordpress-plugin

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://www.wordfence.com/threat-intel/vulnerabilities/id/17de5b96-7a61-4f37-a921-6a023cc40812?source=cve

wordfence.com

https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/shortcode.php#L807

plugins.trac.wordpress.org

https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/rest.php#L192

plugins.trac.wordpress.org

and 2 more references View all →

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