CVE-2025-46515
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Category Widget WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing cookies, session tokens, or performing actions on their behalf. All WordPress sites using Category Widget versions up to 2.0.2 are affected.
💻 Affected Systems
- Category Widget 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, deface websites, or redirect users to malicious sites.
Likely Case
Attackers steal user session cookies or credentials through phishing links, potentially compromising individual user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited through phishing emails or malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Category Widget. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Category Widget plugin until patched.
wp plugin deactivate category-widget
Web Application Firewall
allDeploy WAF rules to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
- Use browser security features like HttpOnly and Secure flags for cookies to limit impact.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Category Widget version. If version is 2.0.2 or earlier, you are vulnerable.Check Version:
wp plugin get category-widget --field=versionVerify Fix Applied:
Verify plugin version is 2.0.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET requests with script tags or JavaScript payloads in query parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in URL parameters
- Traffic patterns showing users clicking on suspicious links with encoded payloads
SIEM Query:
source="web_server_logs" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*onerror=*" OR uri="*onload=*")