CVE-2025-22511

6.5 MEDIUM

📋 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

Products:
  • Ella van Durpe Slides & Presentations WordPress Plugin
Versions: 0.0.39 and earlier
Operating Systems: All platforms running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with this plugin enabled are vulnerable regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/slide/vulnerability/wordpress-slides-presentations-plugin-0-0-39-cross-site-scripting-xss-vulnerability?_s_id=cve

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

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate slides-presentations

Implement WAF Rules

all

Configure 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=")

🔗 References

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