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Fencer Vulns
high 7.5

CVE-2025-14437 json

Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File

published 2025-12-18 10 mo ago modified 2026-10-01 38 d ago also EUVD-2025-204263

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known, plus a Nuclei check

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.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

1.83% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WordPress Hummingbird <= 3.18.0 - Sensitive Information Exposure via Log File nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • wpmudev Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.