How severe is CVE-2022-42975?

CVE-2022-42975 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 none, integrity high, and availability none.

Is CVE-2022-42975 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42975?

CVE-2022-42975 affects Phoenixframework Phoenix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42975?

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.

When was CVE-2022-42975 published?

CVE-2022-42975 was published on 2022-10-17 and last updated on 2026-06-17.

CVE-2022-42975

CVE-2022-42975 is a high-severity vulnerability in Phoenixframework Phoenix 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Phoenixframework Phoenix
Published: 2022-10-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-42975?: CVE-2022-42975 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 none, integrity high, and availability none.
Is CVE-2022-42975 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42975?: CVE-2022-42975 affects Phoenixframework Phoenix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42975?: 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.
When was CVE-2022-42975 published?: CVE-2022-42975 was published on 2022-10-17 and last updated on 2026-06-17.

References

https://github.com/phoenixframework/phoenix/commit/6e7185b33a59e0b1d1c0b4223adf340a73e963ae

Affected products (1)

cpe:2.3:a:phoenixframework:phoenix:*:*:*:*:*:*:*:*

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