CVE-2024-11921
📋 TL;DR
This vulnerability in the GiveWP WordPress plugin allows attackers to execute reflected cross-site scripting (XSS) attacks by injecting malicious scripts through unsanitized parameters. The attack primarily targets high-privilege users like administrators who might click on specially crafted links. WordPress sites running vulnerable versions of GiveWP are affected.
💻 Affected Systems
- GiveWP WordPress Plugin
📦 What is this software?
Givewp by Givewp
⚠️ Risk & Real-World Impact
Worst Case
An attacker could steal administrator session cookies, gain administrative access to the WordPress site, install backdoors, deface the site, or exfiltrate sensitive donor data.
Likely Case
Attackers would use crafted phishing links to target administrators, potentially stealing session cookies to gain unauthorized access to the WordPress admin panel.
If Mitigated
With proper web application firewalls and user awareness training, the risk is reduced to minimal as the attack requires user interaction with malicious links.
🎯 Exploit Status
Exploitation requires crafting malicious URLs with XSS payloads and convincing users to click them. The vulnerability is publicly documented with proof-of-concept details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.19.0
Vendor Advisory: https://wpscan.com/vulnerability/5f196294-5ba9-45b6-a27c-ab1702cc001f/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find GiveWP plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 3.19.0+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious requests containing XSS payloads.
Content Security Policy (CSP)
allImplement a strict CSP header to prevent execution of inline scripts and unauthorized script sources.
🧯 If You Can't Patch
- Temporarily disable the GiveWP plugin if not critically needed
- Implement network segmentation to restrict access to WordPress admin interface
🔍 How to Verify
Check if Vulnerable:
Check GiveWP plugin version in WordPress admin panel under Plugins → Installed Plugins. If version is below 3.19.0, the system is vulnerable.
Check Version:
wp plugin list --name=give --field=version (if WP-CLI is installed)
Verify Fix Applied:
After updating, verify the GiveWP plugin version shows 3.19.0 or higher in the WordPress admin plugins list.
📡 Detection & Monitoring
Log Indicators:
- Unusual GET requests with script tags or JavaScript payloads in URL parameters
- Multiple failed login attempts following suspicious URL accesses
Network Indicators:
- HTTP requests containing <script> tags or JavaScript functions in query parameters
- Traffic patterns showing users accessing unusual URLs with encoded payloads
SIEM Query:
source="wordpress.log" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=") AND uri_query="*"