CVE-2025-14865 MEDIUM

CVE-2025-14865: Passster – Password Protect Pages and Content <= 4.2.24 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Vendor Wpchill
Product Passster – Password Protect Pages and Content
Weakness CWE-79 · XSS
Published January 28, 2026
Last update April 8, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'content_protector' shortcode in all versions up to, and including, 4.2.24. 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. The vulnerability was partially patched in version 4.2.21.

Explanation of Vulnerability in Simple Terms

02Summary

Passster versions up to 4.2.24 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users with low privileges to inject malicious scripts. The vulnerability has scope change, meaning injected code can affect other users and site functionality. An attacker needs a valid WordPress account to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that executes in other users' browsers and affects site functionality.

Potential impact on your site

04Site Impact

Authenticated attackers can deface content, steal session tokens, or redirect visitors to malicious sites.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress user account; no user interaction required.

Key dates

06Disclosure timeline

January 28, 2026 CVE published
April 8, 2026 Record updated