CVE-2024-10957
📋 TL;DR
The UpdraftPlus WordPress backup plugin contains a PHP object injection vulnerability in versions 1.23.8 through 1.24.11. Unauthenticated attackers can exploit this when an administrator performs a search-and-replace operation, potentially leading to arbitrary code execution if another plugin or theme provides a suitable POP chain. WordPress sites using vulnerable UpdraftPlus versions are affected.
💻 Affected Systems
- UpdraftPlus: WP Backup & Migration Plugin for WordPress
⚠️ 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
Remote code execution leading to complete site compromise, data theft, or server takeover if a POP chain exists in another installed component.
Likely Case
Limited impact due to requirement for administrator action and lack of known POP chains in UpdraftPlus itself, but potential for data exposure or file manipulation if vulnerable plugins/themes are present.
If Mitigated
No impact if UpdraftPlus is patched or if no other plugins/themes with POP chains are installed.
🎯 Exploit Status
Exploitation requires administrator action (search-and-replace) and depends on presence of POP chains in other components; no known POP chains in UpdraftPlus itself.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.24.12 and later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3212299/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find UpdraftPlus and click 'Update Now'. 4. Verify version is 1.24.12 or higher.
🔧 Temporary Workarounds
Disable UpdraftPlus temporarily
WordPressDeactivate the plugin until patching is possible
wp plugin deactivate updraftplus
🧯 If You Can't Patch
- Restrict administrator access to trusted IP addresses only
- Monitor for suspicious search-and-replace operations in WordPress logs
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → UpdraftPlus version; if between 1.23.8 and 1.24.11 inclusive, vulnerable.Check Version:
wp plugin get updraftplus --field=versionVerify Fix Applied:
Confirm UpdraftPlus version is 1.24.12 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual search-and-replace operations in WordPress logs
- PHP deserialization errors in web server logs
Network Indicators:
- POST requests to admin-ajax.php with serialized data
- Unexpected file operations following search-and-replace actions
SIEM Query:
source="wordpress.log" AND "search-replace" AND ("updraftplus" OR "admin-ajax.php")