CVE-2024-53730

7.1 HIGH

📋 TL;DR

This vulnerability in the WordPress plugin 'April's Call Posts' 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 the website. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • WordPress April's Call Posts plugin
Versions: n/a through 2.1.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the plugin to be installed and activated on WordPress.

⚠️ 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 admin account compromise, data theft, defacement, or malware distribution to visitors.

🟠

Likely Case

Site defacement, cookie theft from administrators, or redirection to malicious sites.

🟢

If Mitigated

Limited impact with proper CSRF tokens and Content Security Policy (CSP) in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires tricking an authenticated admin into clicking a malicious link or visiting a crafted page.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.1.1

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/aprils-call-posts/vulnerability/wordpress-april-s-call-posts-plugin-2-1-1-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 'April's Call Posts' and update to the latest version. 4. If no update is available, deactivate and delete the plugin.

🔧 Temporary Workarounds

Implement CSRF Protection

all

Add CSRF tokens to plugin forms manually if possible.

Apply Content Security Policy

all

Implement a strict CSP header to mitigate XSS impact.

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress CSP plugin

🧯 If You Can't Patch

  • Deactivate and remove the plugin immediately.
  • Restrict admin access to trusted networks only.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for 'April's Call Posts' version 2.1.1 or earlier.

Check Version:

wp plugin list --name="April's Call Posts" --field=version

Verify Fix Applied:

Confirm plugin version is higher than 2.1.1 after update.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin admin pages without referrer headers.
  • Admin actions (like post edits) from unexpected IPs or user-agents.

Network Indicators:

  • Traffic patterns where admin sessions are followed by suspicious outbound requests.

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin.php" AND plugin="aprils-call-posts") AND status=200

🔗 References

📤 Share & Export