XSS in Buildwps Ppwp – Password Protect Pages

CVE-2026-3639

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…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3639?
CVE-2026-3639 is a medium-severity vulnerability in Buildwps Ppwp – Password Protect Pages, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-13.
How severe is CVE-2026-3639?
Medium severity. CVSS v3 base score is 6.4 out of 10.