CVE-2025-22511
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Ella van Durpe Slides & Presentations WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using this plugin version 0.0.39 or earlier are affected.
💻 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 administrator session cookies, take over WordPress sites, deface content, install backdoors, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing exploitation.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited, and WordPress plugins are frequent targets. The patchstack reference suggests exploitation details are publicly available.
🛠️ 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 is available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate slides-presentations
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting this plugin.
🧯 If You Can't Patch
- Disable the Slides & Presentations plugin immediately.
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Slides & Presentations' version 0.0.39 or earlier.
Check Version:
wp plugin get slides-presentations --field=version
Verify Fix Applied:
Verify plugin version is 0.0.40 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints containing script tags or JavaScript payloads
- Multiple failed login attempts following suspicious plugin activity
Network Indicators:
- HTTP requests with suspicious parameters containing <script> tags or JavaScript code to plugin URLs
SIEM Query:
source="wordpress.log" AND ("slides-presentations" OR "slide") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")