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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.

PUBLISHED Reserved 2025-11-17 | Published 2025-11-25 | Updated 2025-11-25 | Assigner Wordfence




MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-11-24:Disclosed

Credits

Muhammad Nur Ibnu Hubab finder

References

www.wordfence.com/...-5bd0-49b9-9ef2-6654263cd93c?source=cve

plugins.trac.wordpress.org/...light/trunk/just-highlight.php

plugins.trac.wordpress.org/.../tags/1.0.3/just-highlight.php

cve.org (CVE-2025-13311)

nvd.nist.gov (CVE-2025-13311)

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