CVE-2023-27625
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the WordPress Site Reviews plugin that allows attackers to exploit incorrectly configured access controls. It affects all versions up to 6.5.0, potentially allowing unauthorized users to perform actions they shouldn't be able to. WordPress administrators using vulnerable versions of Site Reviews are affected.
💻 Affected Systems
- WordPress Site Reviews 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
Unauthorized users could modify or delete reviews, manipulate ratings, or potentially access administrative functions of the plugin, compromising review integrity and site functionality.
Likely Case
Attackers could manipulate review content, ratings, or visibility without proper authorization, affecting the credibility of the review system.
If Mitigated
With proper access controls and authentication checks, only authorized users can perform review-related actions as intended.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and access control bypass techniques, but the vulnerability is in authorization logic which is typically straightforward to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 6.5.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Site Reviews' plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Site Reviews Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate site-reviews
Restrict Plugin Access
allUse WordPress roles and capabilities to restrict who can access Site Reviews functions
🧯 If You Can't Patch
- Implement strict access controls at web application firewall level
- Monitor and audit all review-related activities for unauthorized changes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Site Reviews → Version. If version is 6.5.0 or earlier, you are vulnerable.
Check Version:
wp plugin get site-reviews --field=version
Verify Fix Applied:
After updating, verify version is higher than 6.5.0 in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to Site Reviews endpoints
- Review modifications from unauthenticated or low-privilege users
- Failed authorization attempts on review management functions
Network Indicators:
- HTTP requests to /wp-content/plugins/site-reviews/ endpoints without proper authentication headers
- Unusual patterns of review submissions or modifications
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND parameters CONTAINS "site-reviews") AND (user_role!="administrator" OR user_id="0")