CVE-2024-12633
📋 TL;DR
This vulnerability allows unauthenticated attackers to perform reflected cross-site scripting (XSS) attacks via the 'page' parameter in the JoomSport WordPress plugin. Attackers can inject malicious scripts that execute in victims' browsers when they click specially crafted links. All WordPress sites using JoomSport plugin versions up to 5.6.17 are affected.
💻 Affected Systems
- JoomSport – for Sports: Team & League, Football, Hockey & more 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 session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on user systems.
Likely Case
Attackers would typically steal session cookies to hijack admin accounts, deface websites, or redirect users to phishing pages.
If Mitigated
With proper web application firewalls and content security policies, the impact would be limited to script execution being blocked.
🎯 Exploit Status
Exploitation requires tricking users into clicking malicious links but requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.6.18 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3209054/joomsport-sports-league-results-management
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find JoomSport plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious requests.
Content Security Policy (CSP)
allImplement CSP headers to restrict script execution sources.
Header set Content-Security-Policy "default-src 'self'; script-src 'self'" in .htaccess or server config
🧯 If You Can't Patch
- Disable the JoomSport plugin immediately.
- Implement strict input validation and output encoding at application level.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for JoomSport version. If version is 5.6.17 or lower, you are vulnerable.Check Version:
wp plugin list --name=joomsport --field=version (if WP-CLI installed)Verify Fix Applied:
After updating, verify JoomSport version is 5.6.18 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual GET requests with script tags in 'page' parameter
- Multiple 200 responses to URLs containing suspicious parameters
Network Indicators:
- HTTP requests containing <script> tags in query parameters
- Requests to joomsport pages with encoded JavaScript
SIEM Query:
http.url:*joomsport* AND http.query:*<script>*