Passster <= 4.2.19 - Unauthenticated Information Exposure

5.3
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2025-64218
CVSS 5.3 (Medium)
Publicly Published November 12, 2025
Last Updated December 20, 2025
Researcher Que Thanh Tuan - Blue Rock

Description

The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.19. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

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Vulnerability Details for Passster – Password Protect Pages and Content

Software Type Plugin
Software Slug content-protector (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.2.20, or a newer patched version
Affected Version
  • <= 4.2.19
Patched Version
  • 4.2.20

Recent vulnerabilities in Passster – Password Protect Pages and Content

# Title CVE ID CVSS Researchers Date
1 Passster – Password Protect Pages and Content < 4.3.6 - Missing Authorization CVE-2026-16604 5.3 Revanth Hari Narayana Matte August 5, 2026
2 Passster <= 4.2.25 - Missing Authorization CVE-2026-25036 4.3 johska February 12, 2026
3 Passster – Password Protect Pages and Content <= 4.2.24 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2025-14865 6.4 Muhammad Yudha - DJ January 27, 2026
4 Passster <= 4.2.18 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-57926 6.4 Que Thanh Tuan - Blue Rock September 22, 2025
5 Passster – Password Protect Pages and Content <= 4.2.10 - Unauthenticated Content Restriction Bypass to Sensitive Information Exposure CVE-2024-11282 5.3 Francesco Carlucci January 6, 2025
6 Passster <= 4.2.6.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via content_protector Shortcode CVE-2024-2026 6.4 Krzysztof Zając April 4, 2024
7 Passster – Password Protect Pages and Content <= 4.2.6.2 - Missing Authorization to Sensitive Information Exposure CVE-2024-0616 5.3 Francesco Carlucci February 8, 2024
8 Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get CVE-2023-33999 6.1 Rafie Muhammad July 18, 2023
9 Passster – Password Protection <= 3.5.5.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2021-24837 6.4 apple502j December 29, 2022
10 Passster <= 3.5.5.8 - Missing Authentication leading to Sensitive Information Disclosure (Private Post Leakage) CVE-2021-24881 5.3 dc11 December 29, 2022

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