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CVE-2025-14437— Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File

Quick assessment

Affected
wpmudev Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Hummingbird Performance 3.18.0及之前版本存在日志信息泄露漏洞，该漏洞源于敏感信息暴露，可能导致Cloudflare API凭据泄露。

CVSS 7.5 · High EPSS 1.92% · P79

Public Exploits 1

Nuclei · 1 CVE-2025-14437.yaml [template]

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-14437

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File
Source: CVE Program / CVE List V5
Vulnerability Description
The Hummingbird Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.18.0 via the 'request' function. This makes it possible for unauthenticated attackers to extract sensitive data including Cloudflare API credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Hummingbird Performance 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Hummingbird Performance 3.18.0及之前版本存在日志信息泄露漏洞，该漏洞源于敏感信息暴露，可能导致Cloudflare API凭据泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpmudev Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN * ~ 3.18.0 -

II. Public POCs for CVE-2025-14437

# POC Description Source Link Shenlong Link
1 Hummingbird Performance WordPress plugin <= 3.18.0 contains a sensitive information exposure caused by improper handling in the 'request' function, letting unauthenticated attackers extract sensitive data including Cloudflare API credentials, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-14437.yaml POC Details
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III. Intelligence Information for CVE-2025-14437

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Patches & Fixes for CVE-2025-14437 (1)

Vendor Advisories for CVE-2025-14437 (1)

IV. Related Vulnerabilities

Same product: Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
Same vendor: wpmudev
Same weakness: CWE-532

V. Comments for CVE-2025-14437

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