CVE-2025-31909

7.5 HIGH

📋 TL;DR

A missing authorization vulnerability in Apptivo Business Site CRM WordPress plugin allows attackers to delete arbitrary content without proper authentication. This affects all Apptivo Business Site CRM installations running versions up to 5.3. The vulnerability stems from incorrectly configured access control security levels.

💻 Affected Systems

Products:
  • Apptivo Business Site CRM WordPress Plugin
Versions: n/a through 5.3
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the Apptivo Business Site CRM plugin enabled. No specific OS requirements.

⚠️ 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 content destruction including critical business data, customer records, and website functionality, potentially causing business disruption and data loss.

🟠

Likely Case

Selective content deletion leading to website defacement, loss of customer data, and business process disruption.

🟢

If Mitigated

Limited impact with proper access controls and monitoring, potentially only affecting non-critical content.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability allows arbitrary content deletion without authentication. Public proof-of-concept exists on Patchstack.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.4 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/apptivo-business-site/vulnerability/wordpress-apptivo-business-site-crm-plugin-5-3-arbitrary-content-deletion-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find Apptivo Business Site CRM. 4. Click 'Update Now' if available. 5. Alternatively, download version 5.4+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate apptivo-business-site

Restrict Access

all

Implement IP whitelisting for WordPress admin area

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block unauthorized content deletion requests
  • Enable detailed logging and monitoring for content deletion activities

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Apptivo Business Site CRM version. If version is 5.3 or earlier, system is vulnerable.

Check Version:

wp plugin get apptivo-business-site --field=version

Verify Fix Applied:

Verify plugin version is 5.4 or later in WordPress admin panel. Test content deletion functionality with unauthorized user.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to content deletion endpoints
  • Multiple content deletion events from single IP
  • Failed authorization attempts followed by successful deletions

Network Indicators:

  • HTTP POST requests to /wp-admin/admin-ajax.php with action=apptivo_delete_content from unauthenticated sources
  • Unusual spike in DELETE operations

SIEM Query:

source="wordpress.log" AND ("apptivo_delete_content" OR "admin-ajax.php") AND status=200 AND user="-"

🔗 References

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