WPMK Block <= 1.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
mediumThe WPMK Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' shortcode attribute in all versions up to and including 1.0.1. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, in the wpmk_block_shortcode() function,...
- CVSS:
- 6.4
- Affected:
- up to 1.0.1
- Fix:
- No patched version reported
- Disclosed:
- Apr 21, 2026