CVE-2025-63644 Overview
A stored cross-site scripting (XSS) vulnerability exists in pH7Software pH7-Social-Dating-CMS version 17.9.1. The vulnerability is located in the user profile Description field, allowing attackers to inject malicious scripts that are persistently stored and executed when other users view the affected profile page.
Critical Impact
Attackers can inject malicious JavaScript code into user profiles, potentially stealing session cookies, hijacking user accounts, or performing actions on behalf of authenticated users who view the compromised profile.
Affected Products
- pH7Software pH7-Social-Dating-CMS version 17.9.1
Discovery Timeline
- January 14, 2026 - CVE-2025-63644 published to NVD
- January 22, 2026 - Last updated in NVD database
Technical Details for CVE-2025-63644
Vulnerability Analysis
This stored XSS vulnerability (CWE-79) allows authenticated users to inject malicious scripts through the user profile Description field. Unlike reflected XSS attacks that require victims to click specially crafted links, stored XSS payloads persist in the application's database and execute automatically when any user views the infected profile page.
The attack requires low privileges (an authenticated user account) and user interaction (a victim must view the malicious profile). When exploited, the vulnerability can compromise the confidentiality and integrity of other users' sessions, though it does not directly impact system availability.
Root Cause
The vulnerability stems from improper input validation and insufficient output encoding in the user profile Description field. The pH7-Social-Dating-CMS application fails to properly sanitize user-supplied input before storing it in the database and does not adequately encode the output when rendering the profile description to other users. This allows HTML and JavaScript code to be stored and later rendered in victims' browsers.
Attack Vector
An attacker with a valid user account on the pH7-Social-Dating-CMS platform can exploit this vulnerability by:
- Navigating to their user profile settings
- Inserting malicious JavaScript code into the Description field
- Saving the profile changes
- Waiting for other users (including administrators) to view their profile
When a victim views the attacker's profile, the malicious script executes in the context of the victim's browser session. This can enable session hijacking, credential theft, phishing attacks, or unauthorized actions performed on behalf of the victim.
The attack is delivered over the network and targets the application's web interface. Technical details and proof-of-concept information are available in the Medium Article on CVE-2025-63644.
Detection Methods for CVE-2025-63644
Indicators of Compromise
- Presence of <script> tags, JavaScript event handlers (e.g., onerror, onload, onclick), or encoded script payloads in user profile Description fields
- Unusual or obfuscated content in database records for user profiles
- Browser console errors or unexpected network requests originating from profile pages
- User reports of suspicious behavior when viewing certain profiles
Detection Strategies
- Implement Web Application Firewall (WAF) rules to detect and block common XSS patterns in user input fields
- Deploy content security policies (CSP) with violation reporting to identify injection attempts
- Regularly audit database content for stored XSS payloads using pattern matching against known attack signatures
- Enable logging of user input modifications to profile fields for forensic analysis
Monitoring Recommendations
- Monitor web server logs for unusual patterns in profile update requests, particularly those containing script tags or encoded payloads
- Implement real-time alerting for CSP violations that indicate potential XSS exploitation attempts
- Review user-generated content periodically for suspicious patterns using automated scanning tools
How to Mitigate CVE-2025-63644
Immediate Actions Required
- Audit existing user profile Description fields in the database for malicious content and sanitize any detected payloads
- Implement input validation to restrict the Description field to plain text or a limited set of safe HTML tags
- Apply output encoding (HTML entity encoding) when rendering user profile descriptions to prevent script execution
- Consider temporarily restricting profile editing capabilities until a patch is applied
Patch Information
No official vendor patch information is currently available. Monitor pH7Software's official channels and the project resources for security updates. Organizations should apply patches immediately upon release.
Workarounds
- Implement a strict Content Security Policy (CSP) header that blocks inline script execution: Content-Security-Policy: script-src 'self';
- Deploy a WAF with XSS detection rules to filter malicious input before it reaches the application
- Manually sanitize user profile Description fields by stripping all HTML tags until an official fix is available
- Restrict user profile visibility to authenticated users only to reduce the attack surface
# Example CSP header configuration for Apache
# Add to .htaccess or Apache configuration
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; frame-ancestors 'none';"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
