CVE-2025-49247
📋 TL;DR
This DOM-based cross-site scripting vulnerability in the Team Showcase WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using vulnerable versions of the Team Showcase plugin, potentially compromising user sessions and site integrity.
💻 Affected Systems
- Team Showcase 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 credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Session hijacking, cookie theft, or credential harvesting from users who visit compromised pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution.
🎯 Exploit Status
DOM-based XSS requires user interaction but can be triggered through crafted URLs or forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 25.05.13
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Team Showcase plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and remove plugin until patch is released.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the Team Showcase plugin until patched version is available.
wp plugin deactivate team-showcase-cm
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads targeting Team Showcase endpoints.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security features like HttpOnly and Secure flags for cookies
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel for Team Showcase plugin version. If version is 25.05.13 or earlier, you are vulnerable.Check Version:
wp plugin get team-showcase-cm --field=versionVerify Fix Applied:
Verify plugin version is higher than 25.05.13 and test XSS payloads no longer execute.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters containing <script> tags or JavaScript code
SIEM Query:
source="web_server_logs" AND ("team-showcase" OR "team_showcase") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")