Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File
Priority MEDIUM 43CWE-532Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-532.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01834 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| wpmudev | Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN | up to 3.18.0 | — | No fix listed | CNA |
- Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN Vendorwpmudev Affected up to 3.18.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-14437
- 2026-10-03 Alias added: GHSA-r7mg-q5mv-qg2v
References
More wpmudev vulnerabilities
- TI-2023-04240 Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2023-04683 Defender Security < 4.1.0 - Protection Bypass (Hidden Login Page) CVSS 3.1MEDIUM 5.3
- TI-2026-13248 Forminator Forms <= 1.56.1 - Unauthenticated Arbitrary File Upload via Forged Upload Field Configuration CVSS 3.1CRITICAL 9.8
- TI-2025-05864 Forminator Forms – Contact Form, Payment Form & Custom Form Builder <= 1.44.2… CVSS 3.1HIGH 8.8
- TI-2024-20466 SQL injection in wpmudev Forminator CVSS 3.1HIGH 7.2
- TI-2024-07873 Hustle < 7.8.5 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
Sources
- CVE-2025-14437 · CVE Program
- CVE-2025-14437 · NVD
- FIRST EPSS
- GHSA-r7mg-q5mv-qg2v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences