CVE-2025-31036
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in WPSolr free WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions, potentially leading to privilege escalation. This affects all WordPress sites running WPSolr free versions up to 24.0. Attackers could gain administrative access to vulnerable WordPress installations.
💻 Affected Systems
- WPSolr free 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
Complete site takeover where attacker gains administrative privileges, installs backdoors, steals sensitive data, or defaces the website.
Likely Case
Attacker gains administrative access to WordPress dashboard, allowing them to modify content, install malicious plugins/themes, or create new admin accounts.
If Mitigated
Attack fails due to proper CSRF protections, user awareness, or network segmentation limiting exposure.
🎯 Exploit Status
CSRF attacks are well-understood and easy to weaponize. Exploitation requires social engineering to trick administrators.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 24.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WPSolr free plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary plugin deactivation
allDisable WPSolr free plugin until patched
wp plugin deactivate wpsolr-search-engine
CSRF protection headers
allImplement Content Security Policy and anti-CSRF tokens at web server level
Add 'Content-Security-Policy: default-src 'self'' to web server config
🧯 If You Can't Patch
- Implement strict access controls limiting admin panel access to trusted IP addresses only
- Educate administrators about CSRF risks and safe browsing practices when logged into admin panels
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WPSolr free version 24.0 or earlierCheck Version:
wp plugin get wpsolr-search-engine --field=versionVerify Fix Applied:
Verify WPSolr free plugin version is higher than 24.0 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unexpected admin user creation
- Plugin/theme installations from unusual IPs
- Multiple failed login attempts followed by successful admin actions
Network Indicators:
- HTTP POST requests to wp-admin/admin-ajax.php or similar endpoints with suspicious referrers
- Requests containing wpsolr parameters from unexpected sources
SIEM Query:
source="wordpress.log" AND ("admin_user_added" OR "plugin_installed" OR "wpsolr") AND NOT src_ip IN [trusted_admin_ips]