CVE-2026-22400
📋 TL;DR
This CVE describes an Insecure Direct Object Reference (IDOR) vulnerability in the Holmes WordPress theme that allows attackers to bypass authorization by manipulating user-controlled keys. Attackers can access unauthorized data or functionality by exploiting incorrectly configured access controls. All WordPress sites using Holmes theme version 1.7 or earlier are affected.
💻 Affected Systems
- Mikado-Themes Holmes 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 sensitive user data, modify unauthorized content, or escalate privileges to administrative functions.
Likely Case
Unauthorized viewing or modification of other users' content, profile data, or restricted theme settings.
If Mitigated
Limited impact with proper access controls and input validation in place.
🎯 Exploit Status
Exploitation requires some user access level but can be performed by low-privileged users to access higher-privileged functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.7
Restart Required: No
Instructions:
1. Update Holmes theme to latest version via WordPress admin panel. 2. Verify theme version is greater than 1.7. 3. Clear WordPress cache if applicable.
🔧 Temporary Workarounds
Disable Holmes Theme
allTemporarily switch to default WordPress theme until patch is applied
wp theme activate twentytwentyfour
Restrict Theme Access
allImplement web application firewall rules to block suspicious parameter manipulation
🧯 If You Can't Patch
- Implement strict access control checks at application layer for all user-controlled parameters
- Deploy web application firewall with IDOR protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Holmes theme version <= 1.7Check Version:
wp theme list --field=name,version | grep holmesVerify Fix Applied:
Confirm Holmes theme version is greater than 1.7 in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual parameter patterns in theme-related requests
- Multiple failed authorization attempts followed by successful access
Network Indicators:
- HTTP requests with manipulated object IDs or keys in theme endpoints
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-content/themes/holmes" OR user_agent CONTAINS "holmes") AND (param_name="id" OR param_name="key" OR param_name="user_id")