CVE-2024-37242

4.3 MEDIUM

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Newspack Newsletters plugin allows attackers to trick authenticated administrators into performing unintended actions. This affects all WordPress sites using Newspack Newsletters versions up to 2.13.2. Attackers could manipulate newsletter settings or content if an admin visits a malicious page while logged in.

💻 Affected Systems

Products:
  • WordPress Newspack Newsletters plugin
Versions: n/a through 2.13.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled and an authenticated admin session.

⚠️ 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

Attackers could modify newsletter content, change subscription settings, or potentially delete newsletters, causing reputational damage or data loss.

🟠

Likely Case

Attackers trick administrators into changing newsletter configurations or publishing unauthorized content.

🟢

If Mitigated

With proper CSRF protections or admin awareness, exploitation attempts fail with no impact.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires social engineering to trick authenticated admins into clicking malicious links.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.13.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/newspack-newsletters/vulnerability/wordpress-newspack-newsletters-plugin-2-13-2-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Newspack Newsletters' and click 'Update Now'. 4. Verify update to version 2.13.3 or higher.

🔧 Temporary Workarounds

Implement CSRF Tokens

all

Add custom CSRF protection to plugin forms if immediate patching isn't possible.

Requires custom PHP development - no single command

Admin Session Management

all

Enforce strict session timeouts and require re-authentication for sensitive actions.

Configure via WordPress security plugins or .htaccess rules

🧯 If You Can't Patch

  • Temporarily disable the Newspack Newsletters plugin until patching is possible.
  • Implement web application firewall (WAF) rules to block CSRF patterns targeting the plugin endpoints.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Newspack Newsletters version. If version is 2.13.2 or lower, system is vulnerable.

Check Version:

wp plugin list --name=newspack-newsletters --field=version (if WP-CLI installed)

Verify Fix Applied:

After updating, confirm Newspack Newsletters version is 2.13.3 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin-ajax.php or /wp-admin/admin-post.php from unexpected referrers
  • Multiple failed CSRF token validations in WordPress debug logs

Network Indicators:

  • HTTP requests with missing or mismatched nonce parameters for Newspack endpoints
  • Suspicious referrer headers in admin area requests

SIEM Query:

source="wordpress.log" AND ("newspack" AND "admin-ajax") AND status=200 AND referrer NOT CONTAINS "yourdomain.com"

🔗 References

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