How severe is CVE-2025-14437?

CVE-2025-14437 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-14437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-14437?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-14437 have an EU (EUVD) identifier?

Yes. CVE-2025-14437 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204263.

When was CVE-2025-14437 published?

CVE-2025-14437 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-14437

CVE-2025-14437 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204263
Weakness: CWE-532
Published: 2025-12-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-14437?: 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.
How severe is CVE-2025-14437?: CVE-2025-14437 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-14437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-14437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-14437 have an EU (EUVD) identifier?: Yes. CVE-2025-14437 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204263.
When was CVE-2025-14437 published?: CVE-2025-14437 was published on 2025-12-18 and last updated on 2026-06-17.

References

Other CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities

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