Super Page Cache for Cloudflare, CVE-2026-1843

CVE, Research URL: CVE-2026-1843
Home page URL: Security reports for Super Page Cache for Cloudflare
Application: Super Page Cache for Cloudflare
Published on: Feb 14, 2026
Research Description: The Super Page Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Activity Log in all versions up to, and including, 5.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions: max 5.2.3.
Status: vulnerable