CVE-2025-62423
📋 TL;DR
This is a blind SQL injection vulnerability in ClipBucket V5's admin login-as-user functionality. Attackers with admin access can exploit it to extract database information or potentially gain unauthorized access. Only ClipBucket V5 installations with version 5.5.2-#140 or earlier are affected.
💻 Affected Systems
- ClipBucket V5
📦 What is this software?
Clipbucket by Oxygenz
⚠️ Risk & Real-World Impact
Worst Case
Admin-level attacker extracts sensitive database information (user credentials, personal data) or executes arbitrary SQL commands leading to complete system compromise.
Likely Case
Admin-level attacker extracts limited database information or performs unauthorized actions through SQL injection.
If Mitigated
Attack prevented by proper access controls and input validation; no impact beyond attempted exploitation.
🎯 Exploit Status
Exploitation requires admin credentials; blind SQL injection requires time-based or boolean techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Fixed in commit b3bf27e367f318c2afe9bd11368be9d00e272148
Vendor Advisory: https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-3wpr-jprj-52fc
Restart Required: No
Instructions:
1. Update to latest version from GitHub repository. 2. Apply commit b3bf27e367f318c2afe9bd11368be9d00e272148. 3. Verify /admin_area/login_as_user.php uses parameterized queries.
🔧 Temporary Workarounds
Disable login_as_user.php
allTemporarily disable the vulnerable file to prevent exploitation
mv /path/to/admin_area/login_as_user.php /path/to/admin_area/login_as_user.php.disabled
Restrict admin area access
allLimit access to admin area using IP whitelisting or additional authentication
# Add to .htaccess for Apache: Order deny,allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in login_as_user.php
- Monitor and audit all admin area access for suspicious SQL patterns
🔍 How to Verify
Check if Vulnerable:
Check if /admin_area/login_as_user.php exists and contains raw SQL queries without parameterization in versions 5.5.2-#140 or earlier.Check Version:
grep -r 'ClipBucket V5' /path/to/clipbucket/ | grep 'Version'Verify Fix Applied:
Verify login_as_user.php uses prepared statements with parameterized queries and check version is post-commit b3bf27e.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs from /admin_area/login_as_user.php
- Multiple failed login attempts to admin area followed by SQL-like patterns
Network Indicators:
- HTTP POST requests to /admin_area/login_as_user.php with SQL injection patterns in parameters
SIEM Query:
source="web_logs" AND uri_path="/admin_area/login_as_user.php" AND (query_string="*SELECT*" OR query_string="*UNION*" OR query_string="*OR*1=1*")