Slideshow Gallery LITE, CVE-2026-2021

CVE, Research URL: CVE-2026-2021
Home page URL: Security reports for Slideshow Gallery LITE
Application: Slideshow Gallery LITE
Published on: Jun 18, 2026
Research Description: The Slideshow Gallery LITE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alwaysauto' shortcode attribute in all versions up to, and including, 1.8.5. This is due to insufficient input sanitization and output escaping on user-supplied attributes. 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 1.8.6.
Status: vulnerable