What is CVE-2022-42975?

CVE-2022-42975 is a high-severity vulnerability in Phoenixframework Phoenix, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2022-10-17.

How severe is CVE-2022-42975?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Phoenixframework Phoenix

CVE-2022-42975

socket/transport.ex in Phoenix before 1.6.14 mishandles check_origin wildcarding. NOTE: LiveView applications are unaffected by default because of the presence of a LiveView CSRF token.

Vulnerability class: Broken Access Control

Published 2022-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Phoenixframework Phoenix

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

github.com/phoenixframework/phoenix/commit/6e7185b33a59e0b1d1c0b4223adf340a73e9… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-42975?: CVE-2022-42975 is a high-severity vulnerability in Phoenixframework Phoenix, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2022-10-17.
How severe is CVE-2022-42975?: High severity. CVSS v3 base score is 7.5 out of 10.