WordPress security changelog
MEDIUM CVE-2025-9878 Deferred

PPWP permits Contributor-level stored cross-site scripting

PPWP through 1.9.21 lets a Contributor or higher store script-capable values in attributes of the ppwp shortcode. Insufficient sanitization and output escaping cause the payload to execute when a visitor opens the affected page.

CVE / CNA score 6.4 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
PPWP – Password Protect Pages
Plugin slug
password-protect-page
Affected
<= 1.9.21
Safe version
1.9.22
Published
Aug 25, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Aug 25, 2026 and is one of 7 known issues for this plugin.

Update, patch or deactivate.

Update to 1.9.22 or later, remove untrusted ppwp shortcode attributes, and invalidate privileged sessions if malicious content was viewed.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary and upstream sources