CVE-2025-25114: User Role Plugin XSS Vulnerability

CVE-2025-25114 Overview

CVE-2025-25114 is a Reflected Cross-Site Scripting (XSS) vulnerability identified in the ehabstar User Role plugin for WordPress. This vulnerability arises from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that execute in the context of a victim's browser session.

Reflected XSS vulnerabilities occur when user-supplied data is immediately returned by a web application in an error message, search result, or other response without proper sanitization. In this case, the User Role plugin fails to adequately validate and sanitize input parameters, enabling attackers to craft malicious URLs that, when clicked by authenticated users, can execute arbitrary JavaScript code.

Critical Impact

Successful exploitation allows attackers to hijack user sessions, steal sensitive information, perform actions on behalf of authenticated administrators, and potentially compromise the WordPress installation.

Affected Products

• ehabstar User Role plugin for WordPress version 1.0 and earlier
• WordPress installations running the vulnerable User Role (user-roles) plugin

Discovery Timeline

• 2025-03-03 - CVE-2025-25114 published to NVD
• 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2025-25114

Vulnerability Analysis

This vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation), commonly known as Cross-Site Scripting. The User Role plugin for WordPress contains a Reflected XSS flaw that allows attackers to inject malicious scripts through manipulated URL parameters or form inputs.

Reflected XSS attacks require social engineering to trick users into clicking malicious links. When an administrator or authenticated user clicks a crafted URL containing malicious JavaScript, the script executes within their browser session with the same privileges as the user. This can lead to session token theft, unauthorized administrative actions, or further attacks against the WordPress site.

The vulnerability affects all versions of the User Role plugin from its initial release through version 1.0, indicating that no patched version was available at the time of disclosure.

Root Cause

The root cause of this vulnerability lies in insufficient input validation and output encoding within the User Role plugin. The plugin fails to properly sanitize user-controlled input before reflecting it back in the HTML response. This lack of proper escaping allows attackers to break out of the intended HTML context and inject arbitrary script content.

WordPress plugins that handle user input must implement proper sanitization using functions like esc_html(), esc_attr(), or wp_kses() to prevent XSS attacks. The absence of these security controls in the User Role plugin creates the exploitable condition.

Attack Vector

The attack vector for this Reflected XSS vulnerability involves crafting a malicious URL containing JavaScript payload in a vulnerable parameter. The attacker then uses social engineering techniques to convince a victim (ideally a WordPress administrator) to click the malicious link.

When the victim accesses the crafted URL, the malicious script reflects in the page response and executes within the victim's browser. This can result in cookie theft, session hijacking, keylogging, phishing overlay injection, or execution of administrative functions without the user's knowledge.

For detailed technical information about this vulnerability, refer to the Patchstack XSS Vulnerability Report.

Detection Methods for CVE-2025-25114

Indicators of Compromise

• Suspicious access logs containing URL-encoded JavaScript payloads (e.g., <script>, javascript:, onerror=)
• Unexpected outbound connections from administrator sessions to external domains
• Reports of administrators being logged out unexpectedly or noticing unauthorized changes
• Browser-based alerts or unusual prompts appearing on WordPress admin pages

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common XSS payloads in URL parameters
• Monitor server access logs for requests containing encoded script tags or event handlers
• Deploy Content Security Policy (CSP) headers to restrict script execution sources
• Use browser-based XSS auditing tools and security extensions for detection

Monitoring Recommendations

• Enable detailed logging for WordPress admin page requests and review for anomalous parameters
• Configure SIEM alerts for patterns matching XSS attack signatures in web traffic
• Monitor for unexpected plugin behavior or configuration changes that may indicate post-exploitation activity
• Implement real-time alerting on access log entries containing suspicious encoded characters

How to Mitigate CVE-2025-25114

Immediate Actions Required

• Remove or deactivate the ehabstar User Role (user-roles) plugin immediately if installed
• Audit WordPress access logs for evidence of exploitation attempts
• Review and revoke any suspicious admin sessions or recently created user accounts
• Consider implementing a Web Application Firewall (WAF) with XSS protection rules

Patch Information

At the time of this writing, no patched version of the User Role plugin has been identified. Users are strongly advised to remove the plugin entirely and seek an alternative solution for user role management. Monitor the Patchstack vulnerability database for updates regarding any future patches from the plugin developer.

Workarounds

• Disable and uninstall the vulnerable User Role plugin until a security patch is released
• Implement Content Security Policy (CSP) headers to mitigate the impact of XSS attacks
• Use WordPress security plugins that provide real-time XSS filtering and protection
• Educate administrators about phishing attacks and the risks of clicking untrusted links
• Restrict admin panel access to trusted IP addresses using .htaccess or firewall rules

# Add Content-Security-Policy header in .htaccess to mitigate XSS impact
<IfModule mod_headers.c>
    Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none';"
    Header set X-XSS-Protection "1; mode=block"
    Header set X-Content-Type-Options "nosniff"
</IfModule>