What is CVE-2025-9878?

CVE-2025-9878 is a medium-severity vulnerability in Buildwps Ppwp – Password Protect Pages, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-25.

How severe is CVE-2025-9878?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Buildwps Ppwp – Password Protect Pages

CVE-2025-9878

The PPWP – Password Protect WordPress | #1 Most-Reviewed Password Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ppwp' shortcode 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.

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

Buildwps Ppwp – Password Protect Pages

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-9878?: CVE-2025-9878 is a medium-severity vulnerability in Buildwps Ppwp – Password Protect Pages, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-25.
How severe is CVE-2025-9878?: Medium severity. CVSS v3 base score is 6.4 out of 10.