CVE-2025-9372
📋 TL;DR
This stored XSS vulnerability in the Ultimate Multi Design Video Carousel WordPress plugin allows authenticated attackers with editor-level access to inject malicious scripts into pages. The injected scripts execute when users visit those pages, potentially stealing credentials or performing unauthorized actions. Only affects WordPress multi-site installations and installations where unfiltered_html capability is disabled.
💻 Affected Systems
- Ultimate Multi Design Video Carousel 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 perform actions on behalf of authenticated users.
Likely Case
Attackers with editor access inject malicious scripts to steal user session cookies or credentials, potentially leading to account compromise.
If Mitigated
With proper access controls and input validation, impact is limited to specific pages where scripts were injected.
🎯 Exploit Status
Requires authenticated editor-level access. Exploitation is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.4
Vendor Advisory: https://wordpress.org/plugins/ultimate-multi-design-video-carousel/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Ultimate Multi Design Video Carousel'
4. Click 'Update Now' if update available
5. If no update, deactivate and remove plugin
6. Install updated version from WordPress repository
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate ultimate-multi-design-video-carousel
Restrict Editor Capabilities
allRemove unfiltered_html capability from editor role
add_filter('user_has_cap', 'remove_unfiltered_html', 10, 3);
function remove_unfiltered_html($allcaps, $caps, $args) {
if (isset($allcaps['unfiltered_html'])) {
unset($allcaps['unfiltered_html']);
}
return $allcaps;
}
🧯 If You Can't Patch
- Remove editor access from untrusted users
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Ultimate Multi Design Video Carousel version. If version is 1.4 or lower, you are vulnerable if using multi-site OR unfiltered_html is disabled.Check Version:
wp plugin get ultimate-multi-design-video-carousel --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.4 and test editor role cannot inject script tags in carousel content.📡 Detection & Monitoring
Log Indicators:
- Unusual editor account activity
- Multiple content updates from editor accounts
- Script tags in post/page content from carousel plugin
Network Indicators:
- External script loads from carousel pages
- Unexpected redirects from carousel content
SIEM Query:
source="wordpress" AND (event="plugin_update" AND plugin="ultimate-multi-design-video-carousel" AND version<="1.4") OR (event="content_update" AND user_role="editor" AND content CONTAINS "<script>")