CVE-2024-33938
📋 TL;DR
CVE-2024-33938 is a missing authorization vulnerability in the WordPress Sliding Widgets plugin that allows attackers to perform cross-site scripting (XSS) attacks. This affects all WordPress sites running Sliding Widgets plugin versions up to 1.5.0. Attackers can inject malicious scripts that execute in users' browsers when they visit compromised pages.
💻 Affected Systems
- WordPress Sliding Widgets plugin
⚠️ 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 steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions on behalf of users, or display phishing content.
If Mitigated
With proper authorization checks and input validation, the XSS payload would be blocked or sanitized before execution.
🎯 Exploit Status
The vulnerability combines missing authorization with XSS, making exploitation straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.1 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/sliding-widgets/wordpress-sliding-widgets-plugin-1-5-0-broken-access-control-to-xss-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Sliding Widgets plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.5.1+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Sliding Widgets Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate sliding-widgets
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads targeting Sliding Widgets endpoints
🧯 If You Can't Patch
- Remove Sliding Widgets plugin completely from the WordPress installation
- Implement Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Sliding Widgets version. If version is 1.5.0 or earlier, you are vulnerable.
Check Version:
wp plugin get sliding-widgets --field=version
Verify Fix Applied:
Verify plugin version is 1.5.1 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Sliding Widgets admin endpoints
- JavaScript payloads in request parameters to plugin-related URLs
Network Indicators:
- Suspicious script tags or JavaScript in HTTP requests to WordPress admin-ajax.php or plugin-specific endpoints
SIEM Query:
source="wordpress.log" AND ("sliding-widgets" OR "admin-ajax.php") AND ("script" OR "javascript" OR "onload" OR "onerror")
🔗 References
- https://patchstack.com/database/vulnerability/sliding-widgets/wordpress-sliding-widgets-plugin-1-5-0-broken-access-control-to-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/sliding-widgets/wordpress-sliding-widgets-plugin-1-5-0-broken-access-control-to-xss-vulnerability?_s_id=cve