CVE-2025-30792

5.9 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the WordPress Comment Approved Notifier Extended plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • WordPress Comment Approved Notifier Extended plugin
Versions: All versions up to and including 5.2
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. The plugin must be configured to send comment approval notifications.

⚠️ 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 websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers inject malicious JavaScript that steals user session cookies or credentials when users view compromised comment notification pages.

🟢

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

Exploitation requires the ability to submit comments that get approved, but once stored, the XSS payload executes for all users viewing affected pages.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/comment-approved-notifier-extended/vulnerability/wordpress-comment-approved-notifier-extended-plugin-5-2-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 'Comment Approved Notifier Extended'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 5.3+ from WordPress repository and replace the plugin files.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the Comment Approved Notifier Extended plugin until patched

wp plugin deactivate comment-approved-notifier-extended

Implement Content Security Policy

all

Add 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 Comment Approved Notifier Extended plugin immediately
  • Implement web application firewall (WAF) rules to block XSS payloads in comment submissions

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Comment Approved Notifier Extended' version 5.2 or earlier

Check Version:

wp plugin get comment-approved-notifier-extended --field=version

Verify Fix Applied:

Verify plugin version is 5.3 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual comment submissions with script tags or JavaScript code
  • Multiple comment approvals from single IP in short timeframe

Network Indicators:

  • HTTP requests containing script tags in comment parameters
  • Outbound connections to suspicious domains from comment pages

SIEM Query:

source="wordpress.log" AND ("<script" OR "javascript:") AND "comment_approved"

🔗 References

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