CVE-2024-37477

6.5 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the WordPress Newspack Content Converter plugin that allows attackers to bypass access controls. Attackers could potentially perform unauthorized actions that should be restricted to authenticated users. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • WordPress Newspack Content Converter plugin
Versions: All versions up to and including 0.1.5
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the vulnerable plugin active.

⚠️ 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 content, change plugin settings, or perform other administrative actions without authentication, potentially leading to site defacement or data manipulation.

🟠

Likely Case

Unauthorized users could access functionality intended only for authenticated users, potentially modifying content conversion settings or accessing restricted features.

🟢

If Mitigated

With proper access controls and authentication checks, only authorized users can access plugin functionality.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 0.1.5

Vendor Advisory: https://patchstack.com/database/vulnerability/newspack-content-converter/wordpress-newspack-content-converter-plugin-0-1-5-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Newspack Content Converter
4. Click 'Update Now' if available
5. If no update available, deactivate and remove the plugin

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Newspack Content Converter plugin until patched

wp plugin deactivate newspack-content-converter

🧯 If You Can't Patch

  • Implement web application firewall rules to block unauthorized access to plugin endpoints
  • Restrict access to WordPress admin interface using IP whitelisting or authentication proxies

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Newspack Content Converter version

Check Version:

wp plugin get newspack-content-converter --field=version

Verify Fix Applied:

Verify plugin version is greater than 0.1.5 or plugin is removed

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to plugin-specific endpoints
  • Unusual POST/GET requests to /wp-content/plugins/newspack-content-converter/

Network Indicators:

  • HTTP requests to plugin endpoints without authentication headers
  • Unusual traffic patterns to WordPress admin areas

SIEM Query:

source="wordpress" AND (uri_path="/wp-content/plugins/newspack-content-converter/" OR plugin_name="newspack-content-converter") AND http_status=200 AND NOT user_authenticated=true

🔗 References

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