CVE-2025-59586
📋 TL;DR
This DOM-based cross-site scripting (XSS) vulnerability in the Penci Portfolio WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using Penci Portfolio versions up to 3.5. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- PenciDesign Penci Portfolio 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 steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the compromised user's context.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before execution, preventing any client-side code injection.
🎯 Exploit Status
DOM-based XSS requires specific user interaction or page conditions, making exploitation slightly more complex than reflected XSS.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.5 (check for latest update)
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Penci Portfolio' and click 'Update Now'. 4. Verify update completes successfully. 5. Clear any caching plugins/CDN caches.
🔧 Temporary Workarounds
Disable Penci Portfolio Plugin
WordPressTemporarily disable the vulnerable plugin until patched
wp plugin deactivate penci-portfolio
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress security plugin to configure CSP
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with XSS protection rules
- Disable user input fields that trigger the vulnerability if identifiable
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Penci Portfolio version. If version is 3.5 or lower, you are vulnerable.Check Version:
wp plugin get penci-portfolio --field=versionVerify Fix Applied:
After updating, verify Penci Portfolio version is higher than 3.5 in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests to portfolio-related endpoints with script tags
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Outbound connections to suspicious domains after visiting portfolio pages
- Unexpected script loads from external sources
SIEM Query:
web.url:*portfolio* AND (web.query:*<script* OR web.query:*javascript:* OR web.query:*onerror=*)