PT-2025-50800 · WordPress · Ljusers

Published 2025-12-12 · Updated 2025-12-12 · CVE-2025-13839

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions LJUsers plugin for WordPress versions up to and including 1.2.0

Description The LJUsers plugin for WordPress is susceptible to Stored Cross-Site Scripting through the name parameter of the 'ljuser' shortcode. This is due to inadequate input sanitization and output escaping of user-provided attributes. Authenticated attackers with Contributor-level access or higher can inject malicious web scripts into pages. These scripts will execute when a user accesses the compromised page.

Recommendations Update the LJUsers plugin to a version newer than 1.2.0.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13839

Affected Products

Ljusers

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-13839 · Security Note
• https://t.me/cveNotify/145541 · Telegram Post
• https://plugins.trac.wordpress.org/browser/ljusers/tags/1.2.0/ljusers.php#L194 · Note
• https://plugins.trac.wordpress.org/browser/ljusers/trunk/ljusers.php#L194 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/841adf53-930a-4286-96d0-9ee8b0c188c4?source=cve · Note