CVE-2024-54399

7.1 HIGH

📋 TL;DR

This vulnerability in the CRUDLab Google Plus Button WordPress plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into WordPress sites. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • CRUDLab Google Plus Button WordPress Plugin
Versions: n/a through 1.0.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Attack requires tricking authenticated admin users.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete site takeover through persistent XSS payloads that steal admin credentials, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers inject malicious JavaScript that steals session cookies, performs unauthorized actions, or displays unwanted content to site visitors.

🟢

If Mitigated

With proper CSRF protections and input validation, the attack chain is broken and no exploitation occurs.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

CSRF to XSS chain is well-documented and weaponization is likely given the prevalence of WordPress attacks.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/crudlab-google-plus/vulnerability/wordpress-crudlab-google-plus-button-plugin-1-0-2-csrf-to-stored-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'CRUDLab Google Plus Button'. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.

🔧 Temporary Workarounds

Deactivate Plugin

all

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate crudlab-google-plus

Implement CSRF Tokens

all

Add CSRF protection to WordPress forms if custom modifications are possible

🧯 If You Can't Patch

  • Remove the CRUDLab Google Plus Button plugin completely from your WordPress installation
  • Implement web application firewall (WAF) rules to block CSRF and XSS attack patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'CRUDLab Google Plus Button' version 1.0.2 or earlier

Check Version:

wp plugin get crudlab-google-plus --field=version

Verify Fix Applied:

Verify plugin version is 1.0.3 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to WordPress admin-ajax.php or plugin-specific endpoints
  • Multiple failed CSRF token validations in WordPress debug logs

Network Indicators:

  • Unexpected iframe or script tags in HTTP responses containing the plugin's functionality

SIEM Query:

source="wordpress.log" AND ("crudlab-google-plus" OR "admin-ajax.php") AND (POST OR "csrf")

🔗 References

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