CVE-2025-49930
📋 TL;DR
This Cross-site Scripting (XSS) vulnerability in CrocoBlock's JetSearch WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies, redirecting users, or performing actions on their behalf. All WordPress sites using vulnerable versions of JetSearch are affected.
💻 Affected Systems
- CrocoBlock JetSearch 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 administrative access to WordPress, install backdoors, deface websites, or compromise user data.
Likely Case
Attackers steal user session cookies, perform unauthorized actions as authenticated users, or redirect users to malicious sites.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities are commonly weaponized in automated attacks. The Patchstack advisory provides technical details that could be used to create exploits.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.5.11 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find JetSearch plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable JetSearch Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate jet-search
Web Application Firewall (WAF)
allConfigure WAF to block XSS payloads targeting JetSearch endpoints
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use input validation and output encoding in custom code that interacts with JetSearch
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > JetSearch version. If version is 3.5.10 or earlier, you are vulnerable.Check Version:
wp plugin get jet-search --field=versionVerify Fix Applied:
After updating, verify JetSearch version is 3.5.11 or later in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to JetSearch endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="web_server_logs" AND (uri="*jet-search*" AND (param="*<script>*" OR param="*javascript:*" OR param="*%3Cscript%3E*"))