XSS in Webmindpt Wm Jqmath
CVE-2026-3998
The WM JqMath plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'style' shortcode attribute of the [jqmath] shortcode in all versions up to and including 1.3. This is due to insufficient input sanitization and outpu…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (13.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Webmindpt Wm Jqmath — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/b4aebb45-b47b-4b5a-8281-400a4…
- plugins.trac.wordpress.org/browser/wm-jqmath/trunk/wm_jqmath.php
- plugins.trac.wordpress.org/browser/wm-jqmath/tags/1.3/wm_jqmath.php
- plugins.trac.wordpress.org/browser/wm-jqmath/trunk/wm_jqmath.php
- plugins.trac.wordpress.org/browser/wm-jqmath/tags/1.3/wm_jqmath.php
Frequently asked questions
- What is CVE-2026-3998?
- CVE-2026-3998 is a medium-severity vulnerability in Webmindpt Wm Jqmath, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-15.
- How severe is CVE-2026-3998?
- Medium severity. CVSS v3 base score is 6.4 out of 10.