CVE-2025-25140 Overview
CVE-2025-25140 is a Cross-Site Request Forgery (CSRF) vulnerability in the Scriptonite Simple User Profile WordPress plugin that enables Stored Cross-Site Scripting (XSS). The flaw affects all versions of the simple-user-profile plugin up to and including 1.9. An attacker can craft a malicious request that, when triggered by an authenticated user, persists attacker-controlled JavaScript into the plugin's stored data. The injected script then executes in the browser of any visitor or administrator who loads the affected profile content.
Critical Impact
A successful attack stores attacker-controlled JavaScript that executes against site visitors and administrators, enabling session hijacking, account takeover, and arbitrary actions in the WordPress admin context.
Affected Products
- Scriptonite Simple User Profile plugin for WordPress
- All versions through 1.9
- WordPress sites running the simple-user-profile plugin
Discovery Timeline
- 2025-02-07 - CVE-2025-25140 published to NVD
- 2026-04-23 - Last updated in NVD database
Technical Details for CVE-2025-25140
Vulnerability Analysis
The vulnerability chains two distinct weaknesses. First, the plugin lacks CSRF protections [CWE-352] on state-changing requests that update profile data. Second, the same code path fails to sanitize or encode user-supplied input before storing it and rendering it back to the browser. The combination converts a CSRF flaw into a Stored XSS condition.
Exploitation requires user interaction. An attacker hosts a malicious page and lures an authenticated WordPress user to visit it. The page issues a forged request to the vulnerable plugin endpoint, which accepts the request without validating a nonce or origin. The plugin persists the attacker's payload to the database. When any user subsequently views the affected profile, the browser executes the stored script in the site's origin.
The injected script runs with the privileges of the viewing user. If an administrator views the content, the attacker can perform privileged actions including creating accounts, modifying settings, or installing arbitrary code through the plugin editor.
Root Cause
The root cause is missing CSRF token validation on profile update handlers combined with absent output encoding. WordPress provides wp_nonce_field() and check_admin_referer() primitives that the plugin does not enforce on the vulnerable endpoint. Stored input is rendered without esc_html() or esc_attr() escaping.
Attack Vector
The attack vector is network-based and requires user interaction. The attacker needs no prior authentication. Delivery typically occurs through phishing emails, malicious links in comments, or compromised third-party sites that load the forged request via image tags, hidden forms, or fetch calls. The vulnerability description and patch details are available in the Patchstack Vulnerability Report.
Detection Methods for CVE-2025-25140
Indicators of Compromise
- Unexpected <script> tags, javascript: URIs, or HTML event handlers stored in user profile fields managed by the simple-user-profile plugin.
- WordPress admin or editor sessions originating from unfamiliar IPs shortly after a user clicked an external link.
- New administrator accounts or plugin installations that do not correlate to legitimate admin activity.
Detection Strategies
- Query the WordPress database for profile records containing HTML or script markup in fields the plugin exposes.
- Inspect web server logs for POST requests to plugin endpoints lacking a valid Referer header pointing to the site's own domain.
- Review browser security telemetry for Content Security Policy violations triggered on pages that render user profiles.
Monitoring Recommendations
- Enable WordPress audit logging to track profile modifications, plugin installations, and user role changes.
- Forward web server and WordPress logs to a centralized analytics platform to correlate suspicious request patterns with downstream account changes.
- Alert on outbound requests from administrator browsers to unknown domains immediately after profile page loads.
How to Mitigate CVE-2025-25140
Immediate Actions Required
- Disable the Scriptonite Simple User Profile plugin until a fixed version is installed if you are running version 1.9 or earlier.
- Audit all stored profile data for injected script content and remove malicious payloads from the database.
- Force password resets and invalidate active sessions for administrator and editor accounts that may have viewed compromised profiles.
Patch Information
At the time of publication, the Patchstack advisory lists versions through 1.9 as affected. Monitor the plugin's WordPress.org listing and the Patchstack Vulnerability Report for an updated release that adds nonce validation and output encoding.
Workarounds
- Deploy a web application firewall rule that blocks POST requests to the plugin's profile endpoints lacking a same-origin Referer header.
- Apply a strict Content Security Policy that disallows inline script execution on pages that render user profiles.
- Restrict administrator browsing habits by using separate browser profiles or dedicated workstations for WordPress administration.
# Example WordPress CLI command to deactivate the vulnerable plugin
wp plugin deactivate simple-user-profile
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
