PT-2025-48003 · WordPress · Highlight.Js

Published 2025-11-25 · Updated 2025-11-25 · CVE-2025-13311

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Just Highlight versions prior to 1.0.4

Description The Just Highlight plugin for WordPress is susceptible to Stored Cross-Site Scripting. This is due to insufficient input sanitization and output escaping in the 'Highlight Color' setting. This allows authenticated attackers with administrator-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the plugin’s settings page.

Recommendations Update Just Highlight to version 1.0.4 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13311

Affected Products

Highlight.Js

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-13311 · Security Note
• https://plugins.trac.wordpress.org/browser/just-highlight/tags/1.0.3/just-highlight.php#L169 · Note
• https://twitter.com/VulmonFeeds/status/1993302030622843138 · Twitter Post
• https://twitter.com/CVEnew/status/1993225821717512432 · Twitter Post
• https://plugins.trac.wordpress.org/browser/just-highlight/trunk/just-highlight.php#L169 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/d21187bc-5bd0-49b9-9ef2-6654263cd93c?source=cve · Note
• https://t.me/CVEtracker/38166 · Telegram Post