CVE-2026-22398
📋 TL;DR
This CVE describes an Insecure Direct Object Reference (IDOR) vulnerability in the Mikado-Themes Fleur WordPress theme. It allows attackers to bypass authorization by manipulating user-controlled keys to access unauthorized resources. This affects all WordPress sites using Fleur theme versions up to and including 2.0.
💻 Affected Systems
- Mikado-Themes Fleur WordPress Theme
⚠️ 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 access, modify, or delete sensitive user data, administrative functions, or private content they shouldn't have access to, potentially leading to data breach or privilege escalation.
Likely Case
Unauthorized access to user profiles, private posts, or other restricted content within the WordPress site.
If Mitigated
With proper access controls and input validation, the vulnerability would be prevented even if the underlying flaw exists.
🎯 Exploit Status
IDOR vulnerabilities typically require some level of user interaction or authenticated session, but exploitation is straightforward once the vulnerable endpoints are identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Appearance > Themes
3. Check for Fleur theme updates
4. Update to latest version (above 2.0)
5. Clear any caching plugins/CDN caches
🔧 Temporary Workarounds
Temporary Theme Deactivation
allSwitch to a different WordPress theme until patched
wp theme activate twentytwentyfour
Web Application Firewall Rule
allAdd WAF rules to block suspicious parameter manipulation
🧯 If You Can't Patch
- Implement additional server-side authorization checks for all user-controlled parameters
- Enable WordPress security plugins that monitor for IDOR attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Fleur theme version. If version is 2.0 or lower, you are vulnerable.Check Version:
wp theme list --name=fleur --field=versionVerify Fix Applied:
After updating, verify Fleur theme version is above 2.0 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to restricted endpoints
- Failed authorization attempts followed by successful access with modified parameters
Network Indicators:
- HTTP requests with manipulated ID parameters (e.g., user_id, post_id, page_id)
SIEM Query:
web_access_logs WHERE (uri CONTAINS 'fleur' OR referrer CONTAINS 'fleur') AND (parameters MATCHES '.*id=[0-9]+.*' OR parameters MATCHES '.*user=[0-9]+.*')