CVE-2023-34381

5.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the Zippy WordPress plugin that allows attackers to bypass access controls. Attackers can exploit incorrectly configured security levels to perform unauthorized actions. All WordPress sites using Zippy plugin versions up to 1.6.2 are affected.

💻 Affected Systems

Products:
  • Gesundheit Bewegt GmbH Zippy WordPress Plugin
Versions: n/a through 1.6.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Zippy plugin installed and activated.

⚠️ 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 compromise of the WordPress site through privilege escalation, allowing attackers to modify content, install malicious plugins, or take full administrative control.

🟠

Likely Case

Unauthorized access to restricted functionality, potentially allowing content modification, user data exposure, or limited administrative actions.

🟢

If Mitigated

No impact if proper authorization checks are implemented and access controls are correctly configured.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access but can be automated. The vulnerability is in access control logic, making exploitation straightforward once identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/zippy/vulnerability/wordpress-zippy-plugin-1-6-2-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 Zippy plugin and click 'Update Now'. 4. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Zippy Plugin

all

Temporarily deactivate the vulnerable plugin until patching is possible

wp plugin deactivate zippy

Restrict Access via WAF

all

Configure web application firewall to block requests to Zippy plugin endpoints

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate WordPress installation
  • Enable detailed logging and monitoring for unauthorized access attempts to Zippy endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins for Zippy version. If version is 1.6.2 or earlier, system is vulnerable.

Check Version:

wp plugin get zippy --field=version

Verify Fix Applied:

Verify Zippy plugin version is 1.6.3 or later in WordPress admin panel. Test restricted functionality to ensure proper authorization checks.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to Zippy plugin endpoints
  • Multiple failed authorization requests followed by successful access
  • User privilege escalation events

Network Indicators:

  • Unusual HTTP requests to /wp-content/plugins/zippy/ endpoints
  • Requests bypassing normal authentication flows

SIEM Query:

source="wordpress" AND (uri_path="/wp-content/plugins/zippy/*" OR plugin="zippy") AND (response_code=200 OR response_code=302) AND user_role!="administrator"

🔗 References

📤 Share & Export