CVE-2025-23870
📋 TL;DR
This CSRF vulnerability in the WordPress Copyright Safeguard Footer Notice plugin allows attackers to trick authenticated administrators into performing actions that inject malicious scripts. When exploited, it leads to stored cross-site scripting (XSS) where the malicious scripts persist on the website. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- WordPress Copyright Safeguard Footer Notice 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 admin credentials, deface websites, redirect visitors to malicious sites, or install backdoors for further compromise.
Likely Case
Attackers would typically inject scripts to steal session cookies or admin credentials, potentially gaining full control of the WordPress site.
If Mitigated
With proper CSRF protections and input validation, the attack would fail, preventing script injection entirely.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated administrators into clicking malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Copyright Safeguard Footer Notice'. 4. Click 'Update Now' if available. 5. If no update is available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until a patched version is available
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser extensions that block CSRF attempts and enforce same-origin policies
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Copyright Safeguard Footer Notice' version 3.0 or earlierCheck Version:
wp plugin list --name='copyright-safeguard-footer-notice' --field=versionVerify Fix Applied:
Verify plugin version is higher than 3.0 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin admin endpoints without CSRF tokens
- Unexpected script tags in footer content
Network Indicators:
- HTTP requests to plugin admin endpoints from unexpected referrers
SIEM Query:
source="wordpress.log" AND ("copyright-safeguard" OR "csfn_") AND (POST AND NOT "_wpnonce")