Security Advisory

CVE-2026-3998

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-15 08:28:16

Last updated 2026-04-15 18:08:29

Assigner Wordfence

State PUBLISHED

Description

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 output escaping on user-supplied shortcode attributes. The generate_jqMathFormula() function directly concatenates the style attribute value into an HTML style attribute without applying esc_attr() or any other escaping. 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.

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