CVE-2023-39996
📋 TL;DR
This vulnerability allows attackers to bypass authorization controls in the WP OnlineSupport Essential Plugin Accordion and Accordion Slider for WordPress. Attackers can exploit incorrectly configured access control security levels to perform unauthorized actions. All WordPress sites using affected plugin versions are vulnerable.
💻 Affected Systems
- WP OnlineSupport Essential Plugin Accordion and Accordion Slider
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify plugin settings, inject malicious content, or potentially escalate privileges to compromise the entire WordPress site.
Likely Case
Unauthorized users could modify accordion content, change plugin configurations, or deface website sections using the accordion functionality.
If Mitigated
With proper access controls and authentication requirements, impact would be limited to authorized users only.
🎯 Exploit Status
Missing authorization vulnerabilities are typically easy to exploit once discovered. No public exploit code identified yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.2.4
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Accordion and Accordion Slider'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate accordion-and-accordion-slider
Restrict Access via .htaccess
linuxBlock access to plugin directories for unauthorized users
# Add to .htaccess in plugin directory:
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
🧯 If You Can't Patch
- Implement strict access controls at web server level to restrict plugin directory access
- Monitor plugin-related activities and implement WAF rules to detect unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Accordion and Accordion Slider version. If version is 1.2.4 or lower, you are vulnerable.Check Version:
wp plugin get accordion-and-accordion-slider --field=versionVerify Fix Applied:
After update, verify plugin version is higher than 1.2.4. Test authorization controls by attempting unauthorized access to plugin functions.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to plugin endpoints
- Access to admin-ajax.php with plugin-specific actions from unauthenticated users
- Failed authorization attempts for plugin functions
Network Indicators:
- HTTP requests to /wp-content/plugins/accordion-and-accordion-slider/ from unauthorized IPs
- Unusual POST parameters to plugin endpoints
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/accordion-and-accordion-slider/*" OR uri_path="/wp-admin/admin-ajax.php") AND (user_agent NOT CONTAINS "WordPress" OR http_method="POST")