CVE-2025-5015
📋 TL;DR
An unauthenticated cross-site scripting vulnerability in AccuWeather and Custom RSS widgets allows attackers to inject malicious RSS feed URLs. This could lead to arbitrary script execution in users' browsers when they view the compromised widget. Organizations using these widgets in their web applications are affected.
💻 Affected Systems
- AccuWeather widget
- Custom RSS widget
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to phishing sites, perform actions on behalf of authenticated users, or deploy malware through the compromised widget.
Likely Case
Attackers would inject malicious JavaScript to steal session tokens or redirect users to credential harvesting pages, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, the malicious payload would be neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited and require minimal technical skill to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched versions
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-175-06
Restart Required: No
Instructions:
1. Review the CISA advisory for patch details. 2. Update affected widgets to patched versions. 3. Validate that input validation and output encoding are properly implemented.
🔧 Temporary Workarounds
Disable vulnerable widgets
allTemporarily remove or disable AccuWeather and Custom RSS widgets from web applications
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement WAF rules to block XSS payloads targeting RSS feed parameters
- Monitor for suspicious RSS feed URL modifications in application logs
🔍 How to Verify
Check if Vulnerable:
Test if RSS feed URL parameter accepts script tags or JavaScript payloads without proper sanitizationCheck Version:
Check widget version in application configuration or admin panelVerify Fix Applied:
Attempt to inject XSS payloads into RSS feed URL parameter and verify they are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual RSS feed URL modifications
- Requests containing script tags or JavaScript in URL parameters
Network Indicators:
- Outbound connections to unexpected domains from widget components
SIEM Query:
url:*rss* AND (url:*script* OR url:*javascript* OR url:*onload* OR url:*onerror*)