CVE-2025-23469
📋 TL;DR
This CVE describes a reflected cross-site scripting (XSS) vulnerability in the Sleekplan WordPress plugin. Attackers can inject malicious scripts via user input that gets reflected in web pages without proper sanitization. This affects all WordPress sites running Sleekplan plugin versions up to 0.2.0.
💻 Affected Systems
- Sleekplan 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 session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deface websites.
Likely Case
Attackers craft malicious links containing XSS payloads and trick users into clicking them, leading to session hijacking or credential theft.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill. Attackers need to trick users into clicking malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 0.2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Sleekplan plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious requests.
Content Security Policy (CSP)
allImplement CSP headers to restrict script execution sources.
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to .htaccess or web server configuration
🧯 If You Can't Patch
- Disable or remove the Sleekplan plugin from all WordPress installations.
- Implement strict input validation and output encoding in custom code that interacts with the plugin.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Sleekplan version. If version is 0.2.0 or earlier, you are vulnerable.Check Version:
wp plugin list --name=sleekplan --field=version (if WP-CLI installed)Verify Fix Applied:
After updating, verify Sleekplan plugin version is higher than 0.2.0 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code in query parameters
- Multiple failed requests to Sleekplan plugin endpoints
Network Indicators:
- HTTP requests with suspicious parameters like <script>, javascript:, or encoded payloads
SIEM Query:
source="web_server_logs" AND (uri="*sleekplan*" AND (param="*<script>*" OR param="*javascript:*"))