CVE-2023-32507
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Woo Custom Emails WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions that should require proper authentication. This affects all WordPress sites using Woo Custom Emails plugin versions up to 2.2.
💻 Affected Systems
- Woo Custom Emails 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 modify email templates, inject malicious content into automated emails sent to customers, or potentially escalate privileges to gain administrative access to the WordPress site.
Likely Case
Unauthorized users can modify WooCommerce email templates, potentially inserting phishing links, malicious content, or altering business communications sent to customers.
If Mitigated
With proper access controls and authentication requirements, only authorized administrators can modify email templates, preventing unauthorized changes.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site but bypasses authorization checks. The vulnerability is in access control logic rather than complex technical flaws.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Woo Custom Emails' and click 'Update Now' if available. 4. If update not available, download version 2.3+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Woo Custom Emails Plugin
allTemporarily disable the vulnerable plugin until patched version can be installed
wp plugin deactivate woo-custom-emails
Restrict Access via .htaccess
linuxAdd access restrictions to plugin directories
Order Deny,Allow
Deny from all
🧯 If You Can't Patch
- Implement strict role-based access controls and audit user permissions
- Monitor and log all email template modification attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Woo Custom Emails version. If version is 2.2 or lower, you are vulnerable.Check Version:
wp plugin get woo-custom-emails --field=versionVerify Fix Applied:
Verify Woo Custom Emails plugin version is 2.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to email template modification endpoints
- Unexpected modifications to WooCommerce email templates
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with email-related actions
SIEM Query:
source="wordpress.log" AND ("woo-custom-emails" OR "save_email_template") AND user_role!="administrator"