CVE-2025-32928
📋 TL;DR
This vulnerability in the ThemeGoods Altair WordPress theme allows attackers to inject malicious objects through deserialization of untrusted data. It affects all WordPress sites using Altair theme versions up to 5.2.2, potentially leading to remote code execution.
💻 Affected Systems
- ThemeGoods Altair WordPress Theme
📦 What is this software?
Altair by Themegoods
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and persistent backdoor installation.
Likely Case
Unauthenticated attackers achieving remote code execution to install malware, deface websites, or steal sensitive data.
If Mitigated
Attack blocked at WAF level or prevented by theme deactivation, with minimal impact.
🎯 Exploit Status
Public exploit details available on Patchstack. Simple HTTP requests can trigger the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 5.2.2
Vendor Advisory: https://patchstack.com/database/wordpress/theme/altair/vulnerability/wordpress-altair-theme-5-2-2-php-object-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check if Altair theme is active. 4. Update Altair theme to latest version. 5. If update not available, switch to default theme and remove Altair.
🔧 Temporary Workarounds
Disable Altair Theme
allSwitch to default WordPress theme to remove vulnerable code path
wp theme activate twentytwentyfour
wp theme delete altair
WAF Rule Blocking
allBlock suspicious deserialization patterns at web application firewall
🧯 If You Can't Patch
- Disable Altair theme immediately and use default WordPress theme
- Implement strict WAF rules to block PHP object injection patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Altair theme version 5.2.2 or earlierCheck Version:
wp theme list --field=name,status,version | grep altairVerify Fix Applied:
Confirm Altair theme version is greater than 5.2.2 or theme is completely removed📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to theme files
- PHP unserialize() errors in logs
- Unexpected file creation in wp-content
Network Indicators:
- HTTP requests containing serialized PHP objects
- Traffic to unfamiliar PHP files in theme directory
SIEM Query:
source="wordpress.log" AND ("unserialize" OR "altair" OR "theme-good") AND status=500