CVE-2025-68889

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into Pinpoll WordPress plugin pages, which execute in victims' browsers when they visit manipulated links. It affects all WordPress sites using Pinpoll plugin versions up to and including 4.0.0. Attackers can steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • Pinpoll WordPress Plugin
Versions: All versions up to and including 4.0.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with Pinpoll plugin enabled. No specific OS or web server requirements.

⚠️ 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 steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive user data.

🟠

Likely Case

Attackers steal user session cookies to hijack accounts, redirect users to malicious sites, or display phishing content.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and reflected XSS requires victims to click malicious links.
🏢 Internal Only: MEDIUM - Internal users could still be targeted via phishing emails or internal links.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS typically requires social engineering to get victims to click malicious links. Exploit code is publicly available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.0.1 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/pinpoll/vulnerability/wordpress-pinpoll-plugin-3-0-22-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find Pinpoll plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Web Application Firewall (WAF)

all

Configure WAF to block XSS payloads in query parameters and POST data.

Disable Plugin

linux

Temporarily disable Pinpoll plugin until patched.

wp plugin deactivate pinpoll

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution sources
  • Use input validation and output encoding in custom code that interacts with Pinpoll

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Pinpoll version. If version is 4.0.0 or earlier, you are vulnerable.

Check Version:

wp plugin list --name=pinpoll --field=version

Verify Fix Applied:

After updating, verify Pinpoll version is 4.0.1 or later in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual long URLs with script tags in query parameters
  • Multiple 404 errors for Pinpoll-related endpoints with suspicious parameters

Network Indicators:

  • HTTP requests containing <script>, javascript:, or other XSS payloads in query strings

SIEM Query:

source="web_access.log" AND (uri="*pinpoll*" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*onerror=*"))

🔗 References

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