CVE-2024-29918

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Survey Maker WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using Survey Maker versions up to 4.0.6 are affected.

💻 Affected Systems

Products:
  • WordPress Survey Maker plugin
Versions: All versions up to and including 4.0.6
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with Survey Maker plugin enabled are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator session cookies, take over WordPress sites, install backdoors, or redirect users to malicious sites, leading to complete site compromise.

🟠

Likely Case

Attackers steal user session cookies or credentials, perform actions as authenticated users, or deface survey pages with malicious content.

🟢

If Mitigated

With proper input validation and output encoding, the malicious scripts would be neutralized, preventing execution and limiting impact to failed attack attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Reflected XSS vulnerabilities are commonly exploited via phishing emails or malicious links, requiring minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.0.7 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/survey-maker/wordpress-survey-maker-plugin-4-0-6-reflected-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 Survey Maker and click 'Update Now'. 4. Verify version is 4.0.7 or higher.

🔧 Temporary Workarounds

Disable Survey Maker plugin

all

Temporarily disable the vulnerable plugin until patching is possible.

wp plugin deactivate survey-maker

Implement WAF rules

all

Add web application firewall rules to block XSS payloads targeting Survey Maker endpoints.

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security extensions that block reflected XSS attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Survey Maker version. If version is 4.0.6 or lower, you are vulnerable.

Check Version:

wp plugin get survey-maker --field=version

Verify Fix Applied:

After updating, verify Survey Maker version shows 4.0.7 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing script tags or JavaScript in Survey Maker URLs
  • Unusual survey parameter values with encoded characters

Network Indicators:

  • HTTP requests to survey-maker endpoints with suspicious query parameters
  • Outbound connections to external domains from survey pages

SIEM Query:

source="web_access.log" AND uri="*survey-maker*" AND (query="*<script>*" OR query="*javascript:*" OR query="*onload=*" OR query="*onerror=*")

🔗 References

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