CVE-2023-47225
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the KaizenCoders Short URL WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions that should require proper authentication. This affects all WordPress sites using Short URL plugin versions up to and including 1.6.8.
💻 Affected Systems
- KaizenCoders Short URL 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 or delete URL redirects, potentially redirecting legitimate traffic to malicious sites, or gain administrative access to the plugin's functionality.
Likely Case
Unauthorized users can manipulate short URLs, create new redirects, or modify existing ones without proper authentication.
If Mitigated
With proper access controls, only authenticated users with appropriate permissions can manage short URLs.
🎯 Exploit Status
The vulnerability involves missing authorization checks, making exploitation straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.9 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/shorten-url/vulnerability/wordpress-short-url-plugin-1-6-8-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Short URL' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.6.9+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Short URL plugin until patched
wp plugin deactivate shorten-url
Restrict Access via .htaccess
linuxAdd IP-based restrictions to plugin directories
Order deny,allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access to plugin endpoints
- Monitor and audit all access to the Short URL plugin functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Short URL version. If version is 1.6.8 or earlier, you are vulnerable.Check Version:
wp plugin get shorten-url --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.6.9 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/admin-ajax.php with 'action' parameter related to short URL functions
- Multiple failed authentication attempts followed by successful short URL modifications
Network Indicators:
- Unusual traffic patterns to plugin-specific endpoints from unauthenticated sources
- HTTP requests to short URL management endpoints without proper authentication headers
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php") AND (query_string="*action=short_url*" OR query_string="*action=ksu_*") AND (http_status=200) AND NOT (user_agent="*wp-admin*" OR user="authenticated")