CVE-2025-58017
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in Ultimate Store Kit Elementor Addons allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. It affects WordPress sites using this plugin from any version up to 2.8.2. Attackers could steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- Ultimate Store Kit Elementor Addons WordPress 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, take over the WordPress site, install backdoors, deface the website, or use the compromised site to attack visitors.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or perform limited actions within the context of authenticated users.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Exploitation requires finding vulnerable input fields and understanding the plugin's functionality. The vulnerability is stored/persistent, meaning injected scripts remain until removed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.8.2
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Ultimate Store Kit Elementor Addons'. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress.org. 6. Deactivate and delete old version. 7. Upload and activate new version.
🔧 Temporary Workarounds
Disable vulnerable plugin
WordPressTemporarily deactivate the Ultimate Store Kit Elementor Addons plugin until patched
wp plugin deactivate ultimate-store-kit
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress security plugin to configure CSP
🧯 If You Can't Patch
- Remove the Ultimate Store Kit Elementor Addons plugin entirely and use alternative solutions
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Ultimate Store Kit Elementor Addons → Version. If version is 2.8.2 or lower, you are vulnerable.Check Version:
wp plugin get ultimate-store-kit --field=versionVerify Fix Applied:
After updating, verify version is higher than 2.8.2. Test input fields that previously accepted script tags to ensure they are now properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints with script tags in parameters
- Multiple failed XSS attempts in web server logs
- Suspicious user input containing JavaScript in plugin-related URLs
Network Indicators:
- HTTP requests containing <script> tags or JavaScript events in plugin-related parameters
- Outbound connections to suspicious domains from your WordPress site
SIEM Query:
source="web_server_logs" AND ("ultimate-store-kit" OR "store-kit") AND ("<script>" OR "javascript:" OR "onclick=" OR "onload=")