Sensitive Information Exposure in Hummingbird Performance Plugin by WordPress
CVE-2025-14437
7.5HIGH
Key Information:
- Vendor
WordPress
- Vendor
- CVE Published:
- 18 December 2025
What is CVE-2025-14437?
The Hummingbird Performance plugin for WordPress is prone to a vulnerability that exposes sensitive information due to its 'request' function. Unauthenticated attackers can exploit this flaw to access sensitive data, including Cloudflare API credentials, impacting the security and privacy of affected users. This vulnerability is present in all versions leading up to 3.18.0, necessitating immediate attention from website administrators using the plugin.
Affected Version(s)
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN * <= 3.18.0