CVE-2025-68861

7.1 HIGH

📋 TL;DR

This CVE describes a missing authorization vulnerability in the Plugin Optimizer WordPress plugin that allows attackers to bypass access controls. Attackers can exploit incorrectly configured security levels to perform unauthorized actions. All WordPress sites running Plugin Optimizer versions up to 1.3.7 are affected.

💻 Affected Systems

Products:
  • Plugin Optimizer WordPress Plugin
Versions: n/a through 1.3.7
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with vulnerable plugin versions regardless of configuration.

⚠️ 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 takeover through privilege escalation, data theft, or plugin/theme manipulation leading to persistent backdoors.

🟠

Likely Case

Unauthorized access to plugin settings, potential modification of optimization rules, or access to restricted administrative functions.

🟢

If Mitigated

Limited impact with proper network segmentation and strong authentication, though vulnerability remains exploitable within the application.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access but authorization checks are missing, making exploitation straightforward once initial access is obtained.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.3.8 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/plugin-optimizer/vulnerability/wordpress-plugin-optimizer-plugin-1-3-7-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 Plugin Optimizer and click 'Update Now'. 4. Verify update to version 1.3.8 or higher.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate plugin-optimizer

Restrict Access

linux

Implement IP whitelisting for WordPress admin area

# Add to .htaccess for Apache: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
# Add to nginx config: allow 192.168.1.0/24; deny all;

🧯 If You Can't Patch

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

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Plugin Optimizer version 1.3.7 or earlier

Check Version:

wp plugin get plugin-optimizer --field=version

Verify Fix Applied:

Verify Plugin Optimizer version is 1.3.8 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /wp-admin/admin.php?page=plugin-optimizer endpoints
  • Multiple failed authentication attempts followed by successful plugin configuration changes

Network Indicators:

  • Unusual POST requests to plugin optimization endpoints from unauthorized IPs
  • Traffic to plugin-specific admin pages from unexpected sources

SIEM Query:

source="wordpress.log" AND (uri="/wp-admin/admin.php?page=plugin-optimizer" OR plugin="plugin-optimizer") AND (response_code=200 OR action="update")

🔗 References

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