CVE-2025-26768
📋 TL;DR
This vulnerability in the what3words Address Field WordPress plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into WordPress sites. This affects all WordPress installations using the what3words Address Field plugin versions up to 4.0.15.
💻 Affected Systems
- what3words Address Field 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 malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or performs unauthorized administrative actions on the WordPress site.
Likely Case
Attackers create fake forms or links that trick logged-in administrators into unknowingly injecting malicious scripts into WordPress pages, potentially compromising user sessions.
If Mitigated
With proper CSRF tokens and input validation, the attack chain would be broken at the initial CSRF stage, preventing the XSS payload from being stored.
🎯 Exploit Status
Exploitation requires social engineering to trick an authenticated administrator into clicking a malicious link or submitting a crafted form.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 4.0.15
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'what3words Address Field'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to all forms and validate them on submission
Input Sanitization
allImplement proper input validation and output escaping for all user-controllable data
🧯 If You Can't Patch
- Disable or remove the what3words Address Field plugin if not essential
- Implement web application firewall (WAF) rules to block CSRF and XSS patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'what3words Address Field' version 4.0.15 or earlierCheck Version:
wp plugin list --name='what3words Address Field' --field=versionVerify Fix Applied:
Verify plugin version is higher than 4.0.15 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin endpoints
- Unexpected plugin settings changes
- JavaScript injection in database content
Network Indicators:
- CSRF attack patterns in web traffic
- Malicious script loading from unexpected sources
SIEM Query:
source="wordpress.log" AND ("CSRF" OR "XSS" OR "what3words")