CVE-2025-69245: Raytha CMS Reflected XSS Vulnerability

CVE-2025-69245 Overview

Raytha CMS is vulnerable to Reflected Cross-Site Scripting (XSS) via the returnUrl parameter in the logon functionality. An attacker can craft a malicious URL which, when opened by an authenticated victim, results in arbitrary JavaScript execution in the victim's browser. This vulnerability allows attackers to potentially steal session tokens, capture credentials, or perform actions on behalf of the authenticated user.

Critical Impact

Attackers can execute arbitrary JavaScript in authenticated user sessions, potentially leading to credential theft, session hijacking, and unauthorized actions within the Raytha CMS administrative interface.

Affected Products

• Raytha CMS versions prior to 1.4.6

Discovery Timeline

• 2026-03-16 - CVE-2025-69245 published to NVD
• 2026-03-16 - Last updated in NVD database

Technical Details for CVE-2025-69245

Vulnerability Analysis

This Reflected XSS vulnerability (CWE-79) exists within the logon functionality of Raytha CMS. The returnUrl parameter is processed without adequate input sanitization or output encoding, allowing attackers to inject malicious JavaScript payloads. When an authenticated user clicks a crafted malicious link, the injected script executes within the context of their authenticated session.

The vulnerability requires user interaction—specifically, the victim must click on a malicious link while authenticated to the CMS. Once triggered, the attacker-controlled JavaScript runs with the same privileges as the victim user, potentially enabling session token theft, keylogging, or DOM manipulation to capture sensitive data.

Root Cause

The root cause is improper neutralization of user-supplied input in the returnUrl parameter during the authentication workflow. The application fails to properly validate, sanitize, or encode the parameter value before reflecting it back in the HTTP response. This allows script content embedded in the URL to be rendered and executed by the victim's browser.

Attack Vector

The attack is network-based and requires an attacker to craft a URL containing malicious JavaScript in the returnUrl parameter. The attacker then distributes this link through phishing emails, malicious websites, or other social engineering techniques. When an authenticated Raytha CMS user clicks the link, the malicious payload executes in their browser context.

The exploitation mechanism follows a typical reflected XSS pattern:

1. Attacker constructs a URL with JavaScript payload in the returnUrl parameter
2. Victim (authenticated to Raytha CMS) clicks the malicious link
3. The server reflects the unsanitized returnUrl value in the response
4. Victim's browser executes the injected JavaScript with the victim's session context
5. Attacker can steal cookies, session tokens, or perform actions as the victim

Detection Methods for CVE-2025-69245

Indicators of Compromise

• Unusual or encoded JavaScript payloads in returnUrl parameter within web server access logs
• Requests to the logon endpoint containing suspicious characters such as <script>, javascript:, or encoded variants
• Unexpected outbound connections from user browsers during authentication flows
• Reports of suspicious redirect behavior from CMS users

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block XSS patterns in URL parameters
• Monitor web server logs for requests containing script injection patterns in the returnUrl parameter
• Deploy browser-based security controls such as Content Security Policy (CSP) headers
• Utilize endpoint detection solutions to identify anomalous browser behavior during CMS authentication

Monitoring Recommendations

• Enable detailed logging for all authentication-related endpoints in Raytha CMS
• Configure alerting for URL parameters containing JavaScript-related strings or encoded payloads
• Review access logs periodically for patterns indicating XSS exploitation attempts
• Monitor for unusual session activity following authentication events

How to Mitigate CVE-2025-69245

Immediate Actions Required

• Upgrade Raytha CMS to version 1.4.6 or later immediately
• Implement Content Security Policy (CSP) headers to mitigate XSS impact
• Review access logs for evidence of exploitation attempts
• Educate users about the risks of clicking untrusted links, especially during authentication

Patch Information

This vulnerability has been fixed in Raytha CMS version 1.4.6. Organizations running affected versions should prioritize upgrading to the patched release. For additional information, refer to the Raytha official blog and the CERT Poland advisory for related security guidance.

Workarounds

• Deploy a Web Application Firewall (WAF) with rules to filter XSS payloads in URL parameters
• Implement strict Content Security Policy headers to prevent inline script execution
• Restrict access to the CMS logon page to trusted IP ranges where feasible
• Consider using a reverse proxy to sanitize incoming URL parameters before they reach the application

# Example: Apache mod_headers CSP configuration
Header always set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none';"