CVE-2025-13311
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Vulnerability report for CVE-2025-13311, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2025-11-25

Last updated on: 2025-11-25

Assigner: Wordfence

Description

The Just Highlight plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Highlight Color' setting in all versions up to, and including, 1.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the plugin's settings page.

CVSS Scores

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Meta Information

Published
2025-11-25
Last Modified
2025-11-25
Generated
2026-07-06
AI Q&A
2025-11-25
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wordpress just_highlight_plugin 1.0.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

The Just Highlight plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in the 'Highlight Color' setting in versions up to 1.0.3. This occurs because the plugin does not properly sanitize or escape input, allowing authenticated users with administrator-level access or higher to inject malicious scripts that execute when someone views the plugin's settings page.

Impact Analysis

This vulnerability can allow an attacker with administrator-level access to inject malicious scripts that execute in the context of the plugin's settings page. This could lead to unauthorized actions, data theft, or compromise of user accounts when other users access the affected page.

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