cleantalk
Vulnerabilities and Security Researches

PPWP – Password Protect Pages, CVE-2026-3639

CVE, Research URL

CVE-2026-3639

Published on
Aug 13, 2026
Research Description
The PPWP – Password Protect Pages plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `ppwp` shortcode attributes in all versions up to, and including, 1.9.21 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 1.9.21.
Status
vulnerable