CVE-2023-46080

4.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the WordPress ApplyOnline plugin that allows attackers to bypass access controls. It affects all versions up to 2.5.3, potentially enabling unauthorized access to application form data and management functions.

💻 Affected Systems

Products:
  • ApplyOnline - Application Form Builder and Manager WordPress plugin
Versions: All versions up to and including 2.5.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations using vulnerable plugin versions. No special configuration required.

⚠️ 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

Attackers could access, modify, or delete all application form submissions, potentially exposing sensitive personal data submitted through forms.

🟠

Likely Case

Unauthorized viewing or manipulation of application form data, potentially exposing personally identifiable information (PII) of applicants.

🟢

If Mitigated

Limited impact with proper network segmentation and minimal sensitive data in forms.

🌐 Internet-Facing: HIGH - WordPress plugins are typically internet-facing and this vulnerability requires no authentication.
🏢 Internal Only: MEDIUM - Internal attackers could exploit this to access sensitive application data.

🎯 Exploit Status

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

Missing authorization vulnerabilities typically have low exploitation complexity and can be exploited without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.5.4 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/apply-online/vulnerability/wordpress-applyonline-application-form-builder-and-manager-plugin-2-5-2-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 'ApplyOnline - Application Form Builder and Manager'
4. Click 'Update Now' if update available
5. If no update available, deactivate and delete plugin, then install fresh version 2.5.4+

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate apply-online

Restrict Access via .htaccess

linux

Add access restrictions to plugin directories

# Add to .htaccess in wp-content/plugins/apply-online/
Order Deny,Allow
Deny from all

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block unauthorized access to plugin endpoints
  • Monitor and audit access to application form data and plugin admin functions

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > ApplyOnline plugin version. If version is 2.5.3 or lower, system is vulnerable.

Check Version:

wp plugin get apply-online --field=version

Verify Fix Applied:

Verify plugin version is 2.5.4 or higher in WordPress admin panel. Test form access controls.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /wp-content/plugins/apply-online/ endpoints
  • Unusual access patterns to application form data

Network Indicators:

  • HTTP requests to plugin endpoints without proper authentication headers
  • Unusual traffic to form submission endpoints

SIEM Query:

source="wordpress.log" AND ("apply-online" OR "applyonline") AND (status=200 OR status=403) AND user="-"

🔗 References

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