CVE-2024-33907

5.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the WordPress Print My Blog plugin that allows unauthorized users to access functionality intended only for authorized users. It affects all versions from n/a through 3.26.2. WordPress sites using this plugin are vulnerable to broken access control attacks.

💻 Affected Systems

Products:
  • WordPress Print My Blog plugin
Versions: n/a through 3.26.2
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations using vulnerable versions of the Print My Blog plugin.

⚠️ 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

Unauthorized users could access administrative functions, modify plugin settings, or potentially access sensitive data processed by the plugin.

🟠

Likely Case

Unauthorized users can access functionality intended for authorized users, potentially viewing or modifying print-related settings and data.

🟢

If Mitigated

With proper authorization controls, only authenticated users with appropriate permissions can access plugin functionality.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and this vulnerability affects a publicly accessible plugin.
🏢 Internal Only: MEDIUM - Internal WordPress installations using the plugin remain vulnerable but have reduced attack surface.

🎯 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: 3.26.3 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/print-my-blog/wordpress-print-my-blog-plugin-3-26-2-broken-access-control-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Print My Blog plugin
4. Click 'Update Now' if available
5. Alternatively, download version 3.26.3+ from WordPress repository
6. Deactivate old version, upload new version, activate

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the Print My Blog plugin until patched

wp plugin deactivate print-my-blog

Restrict Access via .htaccess

linux

Add access restrictions to plugin directories

# Add to .htaccess in wp-content/plugins/print-my-blog/
Order Deny,Allow
Deny from all

🧯 If You Can't Patch

  • Disable the Print My Blog plugin immediately
  • Implement web application firewall rules to block unauthorized access to plugin endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Print My Blog version. If version is 3.26.2 or earlier, you are vulnerable.

Check Version:

wp plugin get print-my-blog --field=version

Verify Fix Applied:

Verify Print My Blog plugin version is 3.26.3 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to Print My Blog plugin endpoints
  • 403 errors followed by successful 200 responses to plugin URLs

Network Indicators:

  • Unusual traffic patterns to /wp-content/plugins/print-my-blog/ endpoints from unauthorized IPs

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-content/plugins/print-my-blog/" OR plugin="print-my-blog") AND response_code=200 AND user="unauthenticated"

🔗 References

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