TinyMCE shortcode Addon <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'btnrel' Shortcode Attribute
mediumThe TinyMCE shortcode Addon plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'btnrel' Shortcode Attribute in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and abo...
- CVSS:
- 6.4
- Affected:
- up to 1.0.0
- Fix:
- No patched version reported
- Disclosed:
- Jun 8, 2026