CVE-2025-30821
📋 TL;DR
This CVE describes a missing authorization vulnerability in the SNORDIAN's H5PxAPIkatchu WordPress plugin that allows attackers to access functionality not properly restricted by access controls. Attackers can perform actions intended only for authorized users. This affects all WordPress sites using the plugin versions up to 0.4.14.
💻 Affected Systems
- SNORDIAN's H5PxAPIkatchu 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 modify or delete H5P content tracking data, potentially disrupting learning analytics or compromising user data privacy.
Likely Case
Unauthorized users accessing administrative functions to view or manipulate H5P interaction data they shouldn't have access to.
If Mitigated
Proper authorization controls would prevent unauthorized access, limiting functionality to intended users only.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin endpoints but no special tools or advanced skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.4.15 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find H5PxAPIkatchu plugin
4. Click 'Update Now' if update available
5. If no update available, deactivate and delete plugin, then install fresh version 0.4.15+
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDeactivate the vulnerable plugin until patched version is available
wp plugin deactivate h5pxapikatchu
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access to plugin endpoints
- Restrict access to WordPress admin interface using IP whitelisting or VPN
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for H5PxAPIkatchu versionCheck Version:
wp plugin get h5pxapikatchu --field=versionVerify Fix Applied:
Verify plugin version is 0.4.15 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-content/plugins/h5pxapikatchu/ endpoints
- 403 errors followed by 200 success codes for same endpoints
Network Indicators:
- Unusual POST/GET requests to plugin-specific endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("h5pxapikatchu" OR "xAPIkatchu") AND (status=200 OR status=403) AND user_role!="administrator"