cleantalk
Vulnerabilities and Security Researches

Multi Post Carousel by Category, CVE-2026-1275

CVE, Research URL

CVE-2026-1275

Published on
Mar 21, 2026
Research Description
The Multi Post Carousel by Category plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'slides' shortcode attribute in all versions up to, and including, 1.4. This is due to insufficient input sanitization and output escaping on the user-supplied 'slides' parameter in the post_slides_shortcode function. 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.
Affected versions
max 1.4.
Status
vulnerable