CVE-2023-26522

6.5 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the WP Repost WordPress plugin that allows attackers to bypass access controls. Attackers can exploit incorrectly configured security levels to perform unauthorized actions. All WordPress sites using WP Repost version 0.1 or earlier are affected.

💻 Affected Systems

Products:
  • WP Repost WordPress Plugin
Versions: 0.1 and earlier
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the WP Repost 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 site compromise through privilege escalation, allowing attackers to modify content, inject malicious code, or take administrative control of the WordPress installation.

🟠

Likely Case

Unauthorized content modification, post republishing without permission, or manipulation of plugin settings leading to content integrity issues.

🟢

If Mitigated

Limited impact with proper WordPress hardening, minimal plugin permissions, and network segmentation preventing unauthorized access.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some WordPress access but minimal technical skill due to broken access control.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 0.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-repost/vulnerability/wordpress-wp-repost-plugin-0-1-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 WP Repost and update to version 0.2 or later. 4. If update not available, deactivate and delete the plugin immediately.

🔧 Temporary Workarounds

Disable WP Repost Plugin

all

Temporarily deactivate the vulnerable plugin until patched version is available.

wp plugin deactivate wp-repost

Restrict Plugin Access

all

Implement WordPress role-based access control to limit who can access plugin functionality.

🧯 If You Can't Patch

  • Remove WP Repost plugin completely from all WordPress installations
  • Implement web application firewall rules to block suspicious requests to wp-repost endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for WP Repost version 0.1 or earlier.

Check Version:

wp plugin get wp-repost --field=version

Verify Fix Applied:

Verify WP Repost plugin version is 0.2 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to wp-repost endpoints in WordPress logs
  • Unexpected plugin activation/modification events

Network Indicators:

  • HTTP requests to /wp-content/plugins/wp-repost/ from unauthorized sources

SIEM Query:

source="wordpress.log" AND "wp-repost" AND ("unauthorized" OR "permission denied")

🔗 References

📤 Share & Export