Content Slideshow, CVE-2026-8873

CVE, Research URL: CVE-2026-8873
Home page URL: Security reports for Content Slideshow
Application: Content Slideshow
Published on: May 27, 2026
Research Description: The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 2.4.1 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.
Affected versions: max 2.4.1.
Status: vulnerable