CVE-2023-36519

5.4 MEDIUM

📋 TL;DR

CVE-2023-36519 is a missing authorization vulnerability in the SW Product Bundles WordPress plugin that allows attackers to bypass access controls and perform unauthorized actions. This affects all WordPress sites running SW Product Bundles versions up to 2.0.15. The vulnerability enables privilege escalation and unauthorized data manipulation.

💻 Affected Systems

Products:
  • SW Product Bundles WordPress Plugin
Versions: n/a through 2.0.15
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

Attackers could modify product bundles, change pricing, manipulate inventory, or perform administrative actions without authorization, potentially leading to financial loss, data corruption, or complete site compromise.

🟠

Likely Case

Unauthorized users modifying product bundles, changing prices, or accessing restricted functionality that should require administrative privileges.

🟢

If Mitigated

Proper access controls prevent unauthorized actions, limiting users to their intended permissions and maintaining data integrity.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access but can be performed by users with lower privileges than intended. The vulnerability is in access control logic, making exploitation straightforward once identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.0.16 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/sw-product-bundles/vulnerability/wordpress-sw-product-bundles-plugin-2-0-15-broken-access-control

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find SW Product Bundles. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.0.16+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the vulnerable plugin until patched version is available

wp plugin deactivate sw-product-bundles

Access Restriction via .htaccess

linux

Restrict access to plugin directories for non-admin users

# Add to .htaccess in wp-content/plugins/sw-product-bundles/
Order Deny,Allow
Deny from all
Allow from 127.0.0.1

🧯 If You Can't Patch

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

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → SW Product Bundles version. If version is 2.0.15 or lower, system is vulnerable.

Check Version:

wp plugin get sw-product-bundles --field=version

Verify Fix Applied:

Verify plugin version is 2.0.16 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to /wp-admin/admin-ajax.php with sw_product_bundles actions
  • User role changes or privilege escalation attempts
  • Unexpected modifications to product bundles or pricing

Network Indicators:

  • Unusual admin-ajax.php requests from non-admin IP addresses
  • Multiple failed authorization attempts followed by successful privileged actions

SIEM Query:

source="wordpress.log" AND ("sw_product_bundles" OR "admin-ajax.php") AND (user_role!="administrator") AND (action="save" OR action="update" OR action="delete")

🔗 References

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