CVE-2023-41857
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Click To Tweet WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. It affects all versions up to 2.0.14, potentially allowing unauthorized users to perform actions they shouldn't have permission for.
💻 Affected Systems
- Click To Tweet 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 plugin settings, inject malicious content, or potentially gain administrative access to the WordPress site depending on other vulnerabilities present.
Likely Case
Unauthorized users could change plugin configuration, potentially breaking functionality or inserting unwanted content into tweets generated by the plugin.
If Mitigated
With proper access controls and authentication checks, only authorized administrators can modify plugin settings.
🎯 Exploit Status
The vulnerability allows exploitation without authentication due to missing authorization checks on certain plugin functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.15 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Go to Plugins → Installed Plugins
3. Find Click To Tweet plugin
4. Click 'Update Now' if available
5. If no update available, download version 2.0.15+ from WordPress repository
6. Deactivate old version, upload new version, activate
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Click To Tweet plugin until patched
wp plugin deactivate click-to-tweet
Restrict Access
allUse web application firewall rules to restrict access to plugin admin functions
🧯 If You Can't Patch
- Remove the Click To Tweet plugin completely if patching isn't possible
- Implement strict network access controls to limit who can access the WordPress admin interface
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Click To Tweet → Version. If version is 2.0.14 or earlier, you are vulnerable.Check Version:
wp plugin get click-to-tweet --field=versionVerify Fix Applied:
After updating, verify version shows 2.0.15 or later in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to plugin admin endpoints
- Unexpected modifications to plugin settings
Network Indicators:
- HTTP requests to /wp-admin/admin-ajax.php with click-to-tweet actions from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("click-to-tweet" OR "ctt") AND ("admin" OR "ajax") AND status=200 AND user="unauthenticated"