CVE-2022-45811
📋 TL;DR
CVE-2022-45811 is a missing authorization vulnerability in the WordPress Post Teaser plugin that allows attackers to perform unauthorized actions. This affects WordPress sites using Post Teaser plugin versions up to 4.1.5. The vulnerability enables broken access control where users can access functionality they shouldn't have permission to use.
💻 Affected Systems
- WordPress Post Teaser 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 plugin settings, change content display behavior, or potentially escalate privileges to affect other WordPress components.
Likely Case
Unauthorized users can access and modify Post Teaser configuration settings, potentially altering how content is displayed on the website.
If Mitigated
With proper WordPress user role management and security plugins, impact is limited to configuration changes rather than data compromise.
🎯 Exploit Status
Exploitation requires some level of WordPress user access, though potentially low-privileged accounts could be sufficient.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 4.1.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Post Teaser plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Deactivate Post Teaser Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate post-teaser
Restrict User Roles
allLimit administrative access and review user permissions
🧯 If You Can't Patch
- Deactivate and remove the Post Teaser plugin completely
- Implement WordPress security plugin with access control monitoring
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Post Teaser version. If version is 4.1.5 or earlier, you are vulnerable.Check Version:
wp plugin get post-teaser --field=versionVerify Fix Applied:
After update, verify Post Teaser version is higher than 4.1.5 in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Post Teaser admin pages
- Unexpected plugin configuration changes
Network Indicators:
- HTTP requests to Post Teaser admin endpoints from unauthorized users
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin.php?page=post-teaser" OR plugin="post-teaser") AND user_role!="administrator"