Vulnerabilities / Categories Images / WPSEC-2026-0992
Categories Images <= 3.3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'z_taxonomy_image' Shortcode
Medium 6.4
CWE-79Fixed in 3.3.4
- ID
- WPSEC-2026-0992
- Plugin
- Categories Images (categories-images)
- Affected
- from 3.3.0 before 3.3.4
- Remediation
- Update to 3.3.4 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weakness
- CWE-79
- Usage
- Plugin Medium · Affected versions Medium among sites WPSec scans, 2026-10-15
- Attack surface
- Categories Images on WPSec AttackSurface
- Fix released
- Published
Description
The Categories Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'default' attribute of the 'z_taxonomy_image' shortcode in versions 3.3.0 up to, and including, 3.3.3, due to insufficient output escaping. When format="url" is used and the term has no image, the shortcode returns the 'default' attribute value as-is. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
References
- https://wpsec.com/vuln/WPSEC-2026-0992/
- https://plugins.svn.wordpress.org/categories-images/tags/3.3.4/
- https://wordpress.org/plugins/categories-images/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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