CVE-2025-28908

5.9 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the pipdig pipDisqus WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers. This affects all WordPress sites using pipDisqus plugin versions up to 1.6.

💻 Affected Systems

Products:
  • pipdig pipDisqus WordPress Plugin
Versions: n/a through 1.6
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the pipDisqus plugin enabled. The vulnerability is in the plugin's comment handling functionality.

⚠️ 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, redirect users to malicious sites, or deploy malware to visitors' browsers.

🟠

Likely Case

Attackers inject malicious JavaScript that steals user session cookies or credentials, potentially compromising user accounts and site integrity.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

XSS vulnerabilities are commonly exploited. While no public PoC exists, the vulnerability type is well-understood and easily weaponized.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.7 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/pipdisqus/vulnerability/wordpress-pipdisqus-plugin-1-6-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 pipDisqus plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install version 1.7+ from WordPress repository.

🔧 Temporary Workarounds

Disable pipDisqus Plugin

all

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate pipdisqus

Implement WAF Rules

all

Configure web application firewall to block XSS payloads targeting pipDisqus endpoints

🧯 If You Can't Patch

  • Disable the pipDisqus plugin immediately
  • Implement Content Security Policy (CSP) headers to restrict script execution

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for pipDisqus version. If version is 1.6 or earlier, you are vulnerable.

Check Version:

wp plugin get pipdisqus --field=version

Verify Fix Applied:

After updating, verify pipDisqus plugin version shows 1.7 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to comment submission endpoints
  • JavaScript payloads in comment content
  • Multiple failed comment submissions with script tags

Network Indicators:

  • HTTP requests containing script tags or JavaScript payloads to comment endpoints
  • Unexpected outbound connections from user browsers after viewing comments

SIEM Query:

source="wordpress.log" AND ("pipdisqus" OR "comment") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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