CVE-2025-67586
📋 TL;DR
This CVE describes a missing authorization vulnerability in the WordPress Highlight and Share plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions that should require proper authentication. All WordPress sites running Highlight and Share plugin versions up to and including 5.2.0 are affected.
💻 Affected Systems
- WordPress Highlight and Share 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 escalate privileges to compromise the entire WordPress installation.
Likely Case
Unauthorized users can modify highlight and share functionality settings, potentially disrupting site features or injecting unwanted content.
If Mitigated
With proper access controls and authentication requirements, impact is limited to authorized users only.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: >5.2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Highlight and Share plugin
4. Click 'Update Now' if update is available
5. Alternatively, download latest version from WordPress repository and replace plugin files
🔧 Temporary Workarounds
Disable plugin temporarily
allDeactivate the Highlight and Share plugin until patched
wp plugin deactivate highlight-and-share
Restrict access via .htaccess
linuxAdd access restrictions to plugin directory
Order Deny,Allow
Deny from all
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access to plugin endpoints
- Enable WordPress security plugins that monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Highlight and Share → Version numberCheck Version:
wp plugin get highlight-and-share --field=versionVerify Fix Applied:
Verify plugin version is >5.2.0 and test authorization requirements for plugin functions📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-content/plugins/highlight-and-share/
- 403 Forbidden errors for plugin endpoints
- Unexpected plugin setting changes
Network Indicators:
- HTTP requests to plugin admin endpoints without authentication headers
- POST requests to plugin configuration endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND plugin="highlight-and-share") AND user="unauthenticated"