CVE-2025-22507

7.6 HIGH

📋 TL;DR

This SQL injection vulnerability in the WPMU Prefill Post WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites running WPMU Prefill Post version 1.02 or earlier. Successful exploitation could lead to data theft, modification, or deletion.

💻 Affected Systems

Products:
  • WPMU Prefill Post WordPress Plugin
Versions: n/a through 1.02
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with the vulnerable plugin version are affected 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 database compromise including data exfiltration, privilege escalation, and potential site takeover through WordPress admin access.

🟠

Likely Case

Unauthorized data access, modification of plugin settings, or insertion of malicious content into the database.

🟢

If Mitigated

Limited impact with proper input validation and database permissions, potentially only affecting plugin-specific data.

🌐 Internet-Facing: HIGH - WordPress plugins are typically internet-facing and accessible via web requests.
🏢 Internal Only: LOW - This is a web application vulnerability requiring HTTP access to the WordPress site.

🎯 Exploit Status

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

Exploitation requires understanding of WordPress plugin structure and SQL injection techniques, but no authentication bypass is needed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.02 (check for updates)

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wpmu-prefill-post/vulnerability/wordpress-wpmu-prefill-post-plugin-1-02-sql-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WPMU Prefill Post' and check for update. 4. If update available, click 'Update Now'. 5. Verify plugin version is greater than 1.02.

🔧 Temporary Workarounds

Disable Plugin

WordPress

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate wpmu-prefill-post

Web Application Firewall

all

Implement WAF rules to block SQL injection patterns

🧯 If You Can't Patch

  • Remove the WPMU Prefill Post plugin completely from the WordPress installation
  • Implement strict input validation and parameterized queries at application level

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins → WPMU Prefill Post version. If version is 1.02 or earlier, you are vulnerable.

Check Version:

wp plugin get wpmu-prefill-post --field=version

Verify Fix Applied:

After updating, verify plugin version is greater than 1.02 in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL queries in database logs
  • Multiple failed SQL syntax attempts
  • Requests to plugin-specific endpoints with SQL characters

Network Indicators:

  • HTTP requests containing SQL keywords (SELECT, UNION, etc.) to plugin endpoints
  • Abnormal request patterns to /wp-content/plugins/wpmu-prefill-post/

SIEM Query:

source="web_server" AND (uri="*wpmu-prefill-post*" AND (query="*SELECT*" OR query="*UNION*" OR query="*OR 1=1*"))

🔗 References

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