Password Protect WordPress Lite <= 1.9.20 - Insecure Direct Object Reference to Authenticated (Contributor+) Password Protected Post Password Update

4.3
Authorization Bypass Through User-Controlled Key
CVE CVE-2025-10005
CVSS 4.3 (Medium)
Publicly Published August 15, 2026
Last Updated August 16, 2026
Researcher Dmitrii Ignatyev - CleanTalk Inc

Description

The PPWP – Password Protect WordPress | #1 Most-Reviewed Password Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.9.20 via the ppw_free_set_password AJAX action due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Contributor-level access and above, to update the password on any password protected post and subsequently access the content.

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Vulnerability Details for PPWP – Password Protect Pages

Software Type Plugin
Software Slug password-protect-page (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.9.21, or a newer patched version
Affected Version
  • <= 1.9.20
Patched Version
  • 1.9.21

Recent vulnerabilities in PPWP – Password Protect Pages

# Title CVE ID CVSS Researchers Date
1 Password Protect WordPress Lite <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-9878 6.4 Dmitrii Ignatyev August 24, 2026
2 PPWP – Password Protect Pages <= 1.9.18 - Authenticated (Contributor+) PHP Object Injection via post_protection_roles CVE-2026-0551 8.8 Webbernaut August 22, 2026
3 PPWP: Password Protect Pages, Posts & Full or Partial Content <= 1.9.15 - Improper Authorization To Authenticated (Contributor+) Master Password Exposure CVE-2025-11729 4.3 Athiwat Tiprasaharn (Jitlada) August 18, 2026
4 PPWP – Password Protect Pages <= 1.9.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes CVE-2026-3639 6.4 Muhammad Yudha - DJ August 12, 2026
5 PPWP – Password Protect Pages <= 1.9.19 - Authenticated (Contributor+) Insecure Direct Object Reference CVE-2026-57634 4.3 Ananda Dhakal June 26, 2026
6 PPWP – Password Protect Pages <= 1.9.15 - Missing Authorization CVE-2026-32562 4.3 Doan Dinh Van (d52v) March 23, 2026
7 PPWP – Password Protect Pages <= 1.9.10 - Authenticated (Subscriber+) Content Exposure via REST API CVE-2025-5998 4.3 Pierre Rudloff August 25, 2025
8 PPWP – Password Protect Pages <= 1.9.5 - Unauthenticated Content Restriction Bypass to Sensitive Information Exposure CVE-2024-11280 5.3 Francesco Carlucci December 16, 2024
9 PPWP – Password Protect Pages <= 1.8.9 - Protection Mechanism Bypass CVE-2024-0620 5.3 Francesco Carlucci February 7, 2024
10 PPWP – WordPress Password Protect Page <= 1.8.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2022-4626 6.4 István Márton January 10, 2023

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