CVE-2025-39582
📋 TL;DR
This DOM-based cross-site scripting (XSS) vulnerability in the WP Data Access WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites running WP Data Access versions up to 5.5.36. Attackers could steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- WP Data Access 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 steal user session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented entirely.
🎯 Exploit Status
DOM-based XSS typically requires user interaction or specific conditions to trigger, but exploitation is straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.5.37 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find WP Data Access and click 'Update Now'. 4. Verify the plugin version is 5.5.37 or higher.
🔧 Temporary Workarounds
Disable WP Data Access Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate wp-data-access
Implement Content Security Policy
allAdd CSP headers to mitigate XSS attacks by restricting script execution.
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'");
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with XSS protection rules.
- Disable user input fields that could be attack vectors until patching is possible.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → WP Data Access version. If version is 5.5.36 or lower, you are vulnerable.Check Version:
wp plugin get wp-data-access --field=versionVerify Fix Applied:
After updating, verify WP Data Access version is 5.5.37 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests to WP Data Access endpoints with script tags or JavaScript payloads
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing malicious script payloads to /wp-content/plugins/wp-data-access/ endpoints
SIEM Query:
source="web_server_logs" AND (uri="/wp-content/plugins/wp-data-access/" AND (payload CONTAINS "<script>" OR payload CONTAINS "javascript:"))