CVE-2023-23893

5.3 MEDIUM

📋 TL;DR

CVE-2023-23893 is a missing authorization vulnerability in the Simple Giveaways WordPress plugin that allows attackers to bypass access controls and perform unauthorized actions. This affects all WordPress sites running Simple Giveaways versions up to 2.48.0, potentially allowing manipulation of giveaway functionality.

💻 Affected Systems

Products:
  • Simple Giveaways WordPress Plugin
Versions: n/a through 2.48.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the Simple Giveaways plugin enabled.

⚠️ 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 manipulate giveaway entries, modify giveaway settings, or potentially access sensitive user data associated with giveaways.

🟠

Likely Case

Unauthorized users could manipulate giveaway participation, affecting contest fairness and potentially exposing participant information.

🟢

If Mitigated

With proper access controls, only authorized administrators can manage giveaways, maintaining contest integrity.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some WordPress access but not necessarily admin privileges.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.48.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/giveasap/vulnerability/wordpress-simple-giveaways-plugin-2-45-1-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 Simple Giveaways and click 'Update Now'. 4. Verify version is 2.48.1 or higher.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the Simple Giveaways plugin until patched

wp plugin deactivate giveasap

Restrict Access

linux

Implement IP-based restrictions to admin areas

# Add to .htaccess for Apache: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24

🧯 If You Can't Patch

  • Implement web application firewall rules to block unauthorized access to giveaway endpoints
  • Enable detailed logging for all giveaway-related actions and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Simple Giveaways version number

Check Version:

wp plugin get giveasap --field=version

Verify Fix Applied:

Verify plugin version is 2.48.1 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to /wp-admin/admin-ajax.php with giveaway-related actions
  • Multiple failed authorization attempts for giveaway endpoints

Network Indicators:

  • Unusual traffic patterns to giveaway administration endpoints from unauthorized IPs

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND action="giveasap_*") AND user_role!="administrator"

🔗 References

📤 Share & Export