CVE-2025-66119
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Bob Hostel WordPress plugin. When users visit a specially crafted URL, the scripts execute in their browsers, potentially stealing session cookies or redirecting to malicious sites. All WordPress sites using the Hostel plugin version 1.1.5.9 or earlier are affected.
💻 Affected Systems
- Bob Hostel 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, or redirect users to phishing pages.
Likely Case
Attackers steal user session cookies or credentials, perform actions on behalf of authenticated users, or deface website content.
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 using simple crafted URLs that can be distributed via phishing emails or malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.6.0 or later
Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/hostel/vulnerability/wordpress-hostel-plugin-1-1-5-9-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Hostel' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Hostel Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate hostel
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting Hostel endpoints.
🧯 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 session cookies.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Hostel plugin version. If version is 1.1.5.9 or earlier, site is vulnerable.Check Version:
wp plugin get hostel --field=versionVerify Fix Applied:
After updating, verify Hostel plugin version is 1.1.6.0 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to Hostel plugin endpoints.
- Multiple failed login attempts or suspicious user agent strings in access logs.
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads.
- Outbound connections to unknown domains following visits to Hostel pages.
SIEM Query:
source="web_access.log" AND (uri_path="/wp-content/plugins/hostel/" OR uri_query CONTAINS "hostel") AND (uri_query CONTAINS "<script>" OR uri_query CONTAINS "javascript:")