CVE-2025-39569

8.5 HIGH

📋 TL;DR

This SQL injection vulnerability in Taskbuilder WordPress plugin allows attackers to execute arbitrary SQL commands through blind injection techniques. All WordPress sites running Taskbuilder versions up to 4.0.1 are affected, potentially exposing database contents.

💻 Affected Systems

Products:
  • Taskbuilder WordPress plugin
Versions: n/a through 4.0.1
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: WordPress installations with Taskbuilder plugin enabled are vulnerable 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 sensitive data exfiltration, privilege escalation, and potential remote code execution via database functions.

🟠

Likely Case

Unauthorized data access, extraction of user information, and potential site defacement or content manipulation.

🟢

If Mitigated

Limited impact with proper input validation and database user privilege restrictions in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Blind SQL injection typically requires more sophisticated exploitation but automated tools exist.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.0.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/taskbuilder/vulnerability/wordpress-taskbuilder-4-0-1-sql-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Taskbuilder plugin. 4. Click 'Update Now' if available. 5. If no update appears, download latest version from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Taskbuilder plugin

all

Temporarily deactivate the vulnerable plugin until patched.

wp plugin deactivate taskbuilder

Web Application Firewall (WAF)

all

Deploy WAF rules to block SQL injection patterns targeting Taskbuilder endpoints.

🧯 If You Can't Patch

  • Implement strict input validation and parameterized queries in custom code
  • Restrict database user permissions to minimum required operations

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Taskbuilder version number

Check Version:

wp plugin get taskbuilder --field=version

Verify Fix Applied:

Verify Taskbuilder version is 4.0.2 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in WordPress debug logs
  • Multiple failed SQL queries to Taskbuilder endpoints

Network Indicators:

  • HTTP requests with SQL injection payloads to /wp-content/plugins/taskbuilder/ endpoints

SIEM Query:

source="wordpress.log" AND "taskbuilder" AND ("SQL" OR "syntax" OR "error")

🔗 References

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