CVE-2025-46461
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the RRSSB WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all versions up to 1.0.1 of the RRSSB plugin. Attackers can potentially steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- Relentless Apps RRSSB WordPress Plugin
⚠️ 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 administrator session cookies, take over WordPress sites, install backdoors, deface websites, or use the compromised site to attack visitors.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, redirect users to phishing pages, or perform limited actions on behalf of authenticated users.
If Mitigated
With proper Content Security Policy (CSP) headers and input validation, the impact is limited to potential data leakage from the specific vulnerable component.
🎯 Exploit Status
DOM-based XSS vulnerabilities typically require user interaction (clicking a malicious link) but can be exploited without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.0.1
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/rrssb/vulnerability/wordpress-rrssb-1-0-1-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find RRSSB plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to prevent execution of inline scripts and restrict script sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
Disable RRSSB Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate rrssb
Navigate to WordPress admin → Plugins → Installed Plugins → RRSSB → Deactivate
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads
- Enable WordPress security plugins that provide XSS protection
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for RRSSB version. If version is 1.0.1 or lower, you are vulnerable.Check Version:
wp plugin get rrssb --field=versionVerify Fix Applied:
After update, verify RRSSB plugin version is higher than 1.0.1 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in access logs
- Multiple requests with script tags or JavaScript functions in parameters
- Unexpected redirects or cookie theft attempts
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in query parameters
- Outbound connections to suspicious domains following page loads
SIEM Query:
source="*access.log*" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=")