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Description

The Category Image plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tag-image' parameter in all versions up to, and including, 2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Editor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

PUBLISHED Reserved 2026-01-09 | Published 2026-02-11 | Updated 2026-02-11 | 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

2026-02-10:Disclosed

Credits

Bhumividh Treloges finder

References

www.wordfence.com/...-67ae-441d-9964-5ac17b966687?source=cve

plugins.trac.wordpress.org/...ge/tags/2.0/category-image.php

plugins.trac.wordpress.org/...image/trunk/category-image.php

cve.org (CVE-2026-0815)

nvd.nist.gov (CVE-2026-0815)

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