CVE-2024-33921

4.3 MEDIUM

📋 TL;DR

This CVE describes a broken access control vulnerability in the WordPress ReviewX plugin. It allows unauthorized users to perform actions they shouldn't have permission for, affecting all WordPress sites using ReviewX versions up to 1.6.21.

💻 Affected Systems

Products:
  • WordPress ReviewX plugin
Versions: n/a through 1.6.21
Operating Systems: All platforms running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with ReviewX plugin enabled, regardless of WordPress version or hosting environment.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify or delete reviews, manipulate ratings, or access administrative functions, potentially damaging business reputation or manipulating customer perceptions.

🟠

Likely Case

Unauthorized users could submit fake reviews, modify existing reviews, or access review management functions they shouldn't have access to.

🟢

If Mitigated

With proper access controls and authentication checks, impact would be limited to authorized users only performing intended actions.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Broken access control vulnerabilities typically require some level of user interaction but are often straightforward to exploit once discovered.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6.22 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/reviewx/wordpress-reviewx-plugin-1-6-21-broken-access-control-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find ReviewX plugin
4. Click 'Update Now' if available
5. Alternatively, download version 1.6.22+ from WordPress.org and manually update

🔧 Temporary Workarounds

Disable ReviewX plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate reviewx

Restrict access via firewall

all

Block access to ReviewX-specific endpoints

🧯 If You Can't Patch

  • Implement additional authentication checks at application layer
  • Monitor review submissions and modifications for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > ReviewX version number

Check Version:

wp plugin get reviewx --field=version

Verify Fix Applied:

Verify ReviewX plugin version is 1.6.22 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized review submissions
  • Review modifications from unexpected users
  • Access to review admin functions from non-admin users

Network Indicators:

  • Unusual patterns of requests to ReviewX API endpoints

SIEM Query:

source="wordpress.log" AND ("reviewx" OR "review_x") AND ("unauthorized" OR "permission denied" OR "access denied")

🔗 References

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