Stored Cross-Site Scripting in Just Highlight Plugin for WordPress
CVE-2025-13311

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Just Highlight
Vendor
CVE Published:
25 November 2025

What is CVE-2025-13311?

The Just Highlight plugin for WordPress has a security flaw due to inadequate input sanitization and output escaping in the 'Highlight Color' setting. This vulnerability allows authenticated attackers with administrator-level permissions to inject malicious web scripts. These scripts could execute on the pages viewed by users accessing the plugin's settings, potentially compromising site integrity and user data. It is crucial to update to version 1.0.4 or later to mitigate this issue.

Affected Version(s)

Just Highlight * <= 1.0.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/just-highlight...
https://plugins.trac.wordpress.org/browser/just-highlight...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Nur Ibnu Hubab
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