EUVD-2026-20034

| CVE-2026-4379 MEDIUM
2026-04-08 Wordfence GHSA-2gmw-2prf-4jf5
6.4
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Apr 08, 2026 - 03:45 euvd
EUVD-2026-20034
Analysis Generated
Apr 08, 2026 - 03:45 vuln.today
CVE Published
Apr 08, 2026 - 02:25 nvd
MEDIUM 6.4

Tags

WordPress XSS

Description

The LightPress Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `group` attribute in the `[gallery]` shortcode in all versions up to, and including, 2.3.4. This is due to the plugin modifying gallery shortcode output to include the `group` attribute value without proper escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Analysis

LightPress Lightbox plugin for WordPress allows authenticated attackers with Contributor-level access and above to inject arbitrary JavaScript via the unescaped `group` attribute in the `[gallery]` shortcode, resulting in stored cross-site scripting that executes for all users viewing affected pages. The vulnerability affects all versions up to 2.3.4 and has been addressed in version 2.3.5.

Sign in for full analysis, threat intelligence, and remediation guidance.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

Share

EUVD-2026-20034 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy