CVE-2025-23919
📋 TL;DR
This Cross-Site Scripting (XSS) vulnerability in the Ella van Durpe Slides & Presentations WordPress plugin allows attackers to inject malicious scripts into web pages. It affects all WordPress sites using this plugin version 0.0.39 or earlier. Attackers can execute arbitrary JavaScript in victims' browsers when they view compromised content.
💻 Affected Systems
- Ella van Durpe Slides & Presentations 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
Session hijacking, credential theft, or malicious redirects when users view manipulated slides/presentations.
If Mitigated
Limited impact if proper Content Security Policy (CSP) headers are implemented and user input validation is enforced elsewhere.
🎯 Exploit Status
Basic XSS vulnerabilities are commonly exploited. The vulnerability allows code injection through web page content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.0.40 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Slides & Presentations' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched version is available.
wp plugin deactivate slides-presentations
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'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Disable the Slides & Presentations plugin completely.
- Implement web application firewall (WAF) rules to block XSS payloads.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Slides & Presentations' version 0.0.39 or lower.Check Version:
wp plugin get slides-presentations --field=versionVerify Fix Applied:
Verify plugin version is 0.0.40 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests containing script tags to plugin endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious script payloads in parameters
- Unexpected JavaScript execution in browser developer tools
SIEM Query:
source="web_server_logs" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-content/plugins/slides-presentations/"