CVE-2025-39440
📋 TL;DR
This Cross-Site Request Forgery (CSRF) vulnerability in the Rajesh Broken Links Remover WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. When exploited, it enables unauthorized users to inject malicious scripts that execute in victims' browsers. WordPress administrators using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Rajesh Broken Links Remover 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 inject persistent malicious scripts that steal administrator credentials, deface websites, redirect visitors to malicious sites, or install backdoors for complete site compromise.
Likely Case
Attackers would typically inject scripts to steal session cookies or administrator credentials, potentially gaining administrative access to the WordPress site.
If Mitigated
With proper CSRF protections and content security policies, the attack would be blocked, preventing script injection and execution.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into clicking a malicious link or visiting a compromised page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Broken Links Remover' and click 'Update Now'. 4. Alternatively, download version 1.2.3+ from WordPress repository and replace the plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate broken-links-remover
Implement CSRF Protection
allAdd WordPress nonce verification to plugin forms
Add wp_nonce_field() and wp_verify_nonce() calls to plugin PHP files
🧯 If You Can't Patch
- Remove the Broken Links Remover plugin completely from your WordPress installation
- Implement strict Content Security Policy (CSP) headers to block inline script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'Broken Links Remover' version 1.2.2 or earlierCheck Version:
wp plugin get broken-links-remover --field=versionVerify Fix Applied:
Verify plugin version is 1.2.3 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to broken-links-remover admin endpoints
- Multiple failed nonce verification attempts in WordPress debug logs
Network Indicators:
- Unexpected JavaScript payloads in form submissions to plugin endpoints
SIEM Query:
source="wordpress.log" AND "broken-links-remover" AND ("POST" OR "nonce")