Description
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ms_slide' shortcode in all versions up to, and including, 3.9.9 due to insufficient input sanitization and output escaping on user supplied 'css_class' attribute. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| averta | Master Slider – Responsive Touch Slider | ≤ 3.9.9 | — |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/2d2fc926-6f9f-4ed9-9598-e39b5e6c6544?source=cve
- https://plugins.trac.wordpress.org/browser/master-slider/trunk/includes/msp-shortcodes.php#L55
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3065917%40master-slider&new=3065917%40master-slider&sfp_email=&sfph_mail=
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3084860%40master-slider&new=3084860%40master-slider&sfp_email=&sfph_mail=