CVE-2025-10133
📋 TL;DR
The URLYar URL Shortener WordPress plugin has a stored XSS vulnerability that allows authenticated attackers with contributor-level access or higher to inject malicious scripts into website pages. These scripts execute whenever users visit compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using URLYar plugin versions 1.1.0 and earlier are affected.
💻 Affected Systems
- URLYar URL Shortener 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 steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers with contributor access inject malicious scripts to steal user session cookies or credentials, potentially escalating privileges.
If Mitigated
With proper user access controls and content security policies, impact is limited to isolated script execution without data exfiltration.
🎯 Exploit Status
Requires authenticated access (contributor or higher) and knowledge of WordPress shortcode usage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.1.0
Vendor Advisory: https://plugins.trac.wordpress.org/browser/urlyar/trunk/urlyar.php#L604
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find URLYar URL Shortener. 4. Click 'Update Now' if update available. 5. If no update, deactivate and delete plugin immediately.
🔧 Temporary Workarounds
Disable URLYar Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate urlyar
Restrict User Roles
allTemporarily remove contributor-level access from untrusted users
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Remove contributor and author roles from all untrusted users
- Implement Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for URLYar version 1.1.0 or earlierCheck Version:
wp plugin get urlyar --field=versionVerify Fix Applied:
Verify URLYar plugin version is greater than 1.1.0 in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode modifications in post/page edits
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Unexpected script tags in page responses containing 'urlyar_shortlink'
SIEM Query:
source="wordpress.log" AND ("urlyar_shortlink" OR "urlyar plugin") AND ("edit" OR "update")