CVE-2025-58239
📋 TL;DR
This stored XSS vulnerability in the WP Category Dropdown WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the compromised dropdown, their browsers execute the attacker's code. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WP Category Dropdown 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, redirect users to malicious sites, or deploy malware to visitors' browsers.
Likely Case
Attackers typically steal user session cookies to hijack accounts, deface websites, or redirect users to phishing pages.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Exploitation requires the attacker to have some level of access to inject malicious payloads into the category dropdown functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.9
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Category Dropdown'. 4. Click 'Update Now' if update is available. 5. If no update is available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable WP Category Dropdown Plugin
allTemporarily disable the vulnerable plugin until a patched version is available
wp plugin deactivate wp-category-dropdown
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with XSS protection rules
- Add Content Security Policy (CSP) headers to restrict script execution sources
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WP Category Dropdown version 1.9 or earlierCheck Version:
wp plugin get wp-category-dropdown --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.9 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to category dropdown endpoints
- Suspicious script tags in category-related database entries
Network Indicators:
- Outbound connections to suspicious domains from your WordPress site
- Unexpected script loads in page responses
SIEM Query:
source="wordpress.log" AND "wp-category-dropdown" AND ("script" OR "onerror" OR "javascript:")