CVE-2026-15730
The GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute in all versions up to, and including, 7.9.9.1 due to insufficient input sanitization and output 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. The wp_kses_post filter applied at post save does not neutralize this payload because only the inert shortcode text is stored in post_content; the dangerous HTML is synthesized at render time by the shortcode handler, entirely bypassing save-time sanitization.
Kelemahan
The GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute in all versions up to, and including, 7.9.9.1 due to insufficient input sanitization and output 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. The wp_kses_post filter applied at post save does not neutralize this payload because only the inert shortcode text is stored in post_content; the dangerous HTML is synthesized at render time by the shortcode handler, entirely bypassing save-time sanitization.
Referensi
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L1885
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L263
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L390
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L542
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/shortcodes/gamipress_points_types.php#L212
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3619577%40gamipress&new=3619577%40gamipress
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