CVE-2026-22354
📋 TL;DR
This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the Dotstore Woocommerce Category Banner Management plugin. Attackers could execute arbitrary code on affected WordPress/WooCommerce sites. All WordPress sites using this plugin version 2.5.1 or earlier are affected.
💻 Affected Systems
- Dotstore Woocommerce Category Banner Management (banner-management-for-woocommerce)
⚠️ 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, malware installation, or site defacement.
Likely Case
Unauthenticated attackers gaining administrative access, modifying site content, or stealing sensitive data.
If Mitigated
Limited impact if proper input validation and output encoding are implemented elsewhere in the application.
🎯 Exploit Status
PHP object injection vulnerabilities are commonly exploited. While no public PoC is confirmed, the vulnerability type is well-understood by attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.5.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Woocommerce Category Banner Management'. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the plugin until patched
wp plugin deactivate banner-management-for-woocommerce
Web Application Firewall rule
allBlock requests containing serialized PHP objects
WAF-specific configuration to block patterns like O:[0-9]+:"[^"]+": or s:[0-9]+:"[^"]+":
🧯 If You Can't Patch
- Remove the plugin entirely and use alternative banner management solutions
- Implement strict input validation and sanitization for all user-controlled data
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Woocommerce Category Banner Management → Version. If version is 2.5.1 or lower, you are vulnerable.Check Version:
wp plugin get banner-management-for-woocommerce --field=versionVerify Fix Applied:
Verify plugin version is higher than 2.5.1 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or plugin-specific endpoints
- PHP errors related to unserialize() or class instantiation
Network Indicators:
- HTTP requests containing serialized PHP object patterns (O:8:, s:10:, etc.)
SIEM Query:
source="wordpress.log" AND ("unserialize" OR "PHP object injection" OR "admin-ajax.php" AND POST_data CONTAINS "O:")