CVE-2025-68031: Faraz SMS WordPress XSS Vulnerability

CVE-2025-68031 Overview

A Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the FarazSMS WordPress plugin (افزونه پیامک حرفه ای فراز اس ام اس). This vulnerability stems from improper neutralization of user-supplied input during web page generation, allowing attackers to inject malicious scripts that execute in victims' browsers.

Critical Impact

Attackers can execute arbitrary JavaScript code in the context of a victim's authenticated session, potentially leading to session hijacking, credential theft, or unauthorized actions on behalf of the user.

Affected Products

• FarazSMS WordPress Plugin versions up to and including 2.7.3
• WordPress installations utilizing the vulnerable FarazSMS plugin
• Web applications dependent on the affected plugin functionality

Discovery Timeline

• 2026-02-20 - CVE CVE-2025-68031 published to NVD
• 2026-02-23 - Last updated in NVD database

Technical Details for CVE-2025-68031

Vulnerability Analysis

This vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation. The FarazSMS WordPress plugin fails to properly sanitize user-controlled input before incorporating it into dynamically generated web pages. When an attacker crafts a malicious URL containing JavaScript payload, the plugin reflects this unsanitized input back to the user's browser, resulting in script execution within the security context of the vulnerable site.

The attack requires user interaction, as the victim must click a malicious link or visit an attacker-controlled page that redirects to the vulnerable endpoint. Due to the changed scope characteristic, the vulnerability can potentially impact resources beyond the vulnerable component itself.

Root Cause

The root cause of this vulnerability lies in insufficient input validation and output encoding within the FarazSMS plugin. When user-supplied data is processed and reflected in HTTP responses, the plugin does not apply proper sanitization measures such as HTML entity encoding or Content Security Policy enforcement. This allows attackers to break out of the expected data context and inject executable script content.

Attack Vector

The attack leverages a network-based vector requiring no prior authentication. An attacker constructs a specially crafted URL containing malicious JavaScript code as a parameter value. When an unsuspecting user clicks this link, the FarazSMS plugin reflects the malicious input directly into the HTML response without proper encoding.

The exploitation flow typically involves:

1. Attacker identifies a vulnerable parameter in the FarazSMS plugin
2. Attacker crafts a malicious URL embedding JavaScript payload in the parameter
3. Attacker distributes the URL via phishing, social engineering, or compromised websites
4. Victim clicks the link while authenticated to the WordPress site
5. Malicious script executes in victim's browser with access to session cookies and DOM

For detailed technical information about this vulnerability, see the Patchstack WordPress Vulnerability Report.

Detection Methods for CVE-2025-68031

Indicators of Compromise

• Presence of encoded or obfuscated JavaScript within URL parameters targeting FarazSMS plugin endpoints
• Unusual outbound requests to external domains originating from authenticated WordPress sessions
• Web server logs containing suspicious query strings with <script> tags or JavaScript event handlers
• Browser console errors indicating blocked script execution attempts (when CSP is enabled)

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block common XSS patterns in HTTP requests
• Implement Content Security Policy headers to restrict script execution sources
• Monitor access logs for URLs containing encoded script tags or common XSS vectors
• Utilize browser-based XSS auditors and security plugins for real-time protection

Monitoring Recommendations

• Enable detailed logging for all WordPress plugin interactions and user input processing
• Configure alerts for anomalous patterns in URL query strings targeting plugin endpoints
• Implement real-time monitoring of session token usage to detect potential hijacking attempts
• Review web server logs periodically for evidence of exploitation attempts

How to Mitigate CVE-2025-68031

Immediate Actions Required

• Update the FarazSMS WordPress plugin to a patched version when available from the vendor
• Implement input validation and output encoding at the application level as a defense-in-depth measure
• Deploy Content Security Policy headers to mitigate the impact of successful XSS attacks
• Consider temporarily disabling the vulnerable plugin if it is not critical to operations

Patch Information

Organizations should monitor the official FarazSMS plugin page and WordPress plugin repository for security updates addressing this vulnerability. Until a patch is available, implementing compensating controls such as WAF rules and CSP headers is strongly recommended. Refer to the Patchstack vulnerability report for the latest remediation guidance.

Workarounds

• Implement strict Content Security Policy headers to prevent inline script execution
• Deploy a Web Application Firewall with XSS detection rules to filter malicious requests
• Restrict access to the plugin's administrative interfaces to trusted IP addresses only
• Consider using WordPress security plugins that provide virtual patching capabilities

# Example Content Security Policy header configuration for Apache
# Add to .htaccess or virtual host configuration
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; object-src 'none'; frame-ancestors 'self';"