How severe is CVE-2025-66074?

CVE-2025-66074 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-66074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66074?

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

Does CVE-2025-66074 have an EU (EUVD) identifier?

Yes. CVE-2025-66074 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204050.

When was CVE-2025-66074 published?

CVE-2025-66074 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-66074

CVE-2025-66074 is a critical-severity vulnerability with a CVSS 3.x base score of 9.0. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204050
Weakness: CWE-434
Published: 2025-12-18
Last modified: 2026-06-17

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Cozmoslabs WP Webhooks wp-webhooks allows Path Traversal.This issue affects WP Webhooks: from n/a through <= 3.3.8.

Frequently asked questions

What is CVE-2025-66074?: Unrestricted Upload of File with Dangerous Type vulnerability in Cozmoslabs WP Webhooks wp-webhooks allows Path Traversal.This issue affects WP Webhooks: from n/a through <= 3.3.8.
How severe is CVE-2025-66074?: CVE-2025-66074 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-66074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-66074?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-66074 have an EU (EUVD) identifier?: Yes. CVE-2025-66074 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204050.
When was CVE-2025-66074 published?: CVE-2025-66074 was published on 2025-12-18 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/wp-webhooks/vulnerability/wordpress-wp-webhooks-plugin-3-3-8-arbitrary-file-upload-vulnerability?_s_id=cve

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →