CVE-2025-9878
Received Received - Intake

Stored XSS in PPWP Password Protect WordPress Plugin

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Wordfence

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.

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Meta Information

Published
2026-08-25
Last Modified
2026-08-25
Generated
2026-08-25
AI Q&A
2026-08-25
EPSS Evaluated
N/A
NVD
CVE-2025-9878
EUVD
EUVD-2025-210770

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ppwp password_protect_wordpress to 1.9.21 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the PPWP plugin for WordPress. It allows authenticated attackers with contributor-level access or higher to inject malicious scripts into web pages via the plugin's 'ppwp' shortcode. The flaw exists due to insufficient input sanitization and output escaping on user-supplied attributes.

Detection Guidance

To detect this vulnerability, inspect WordPress sites using the PPWP plugin versions up to 1.9.21 for unauthorized scripts in pages using the ppwp shortcode. Check for unusual JavaScript in page content or database entries.

Impact Analysis

An attacker could exploit this to inject malicious scripts into pages you view. These scripts could steal cookies, session tokens, or other sensitive data. It may also allow attackers to perform actions on your behalf if you are logged in, potentially leading to unauthorized changes or data theft.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations using this plugin may face compliance violations if user data is compromised due to this flaw.

Mitigation Strategies

Immediately update the PPWP plugin to the latest version beyond 1.9.21. Remove any suspicious scripts from pages and review user roles to ensure only trusted users have contributor access or higher.

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