CVE-2022-3907

Clerk < 4.0.0 - Authentication Bypass and API Keys Disclosure

HIGH

7.5

CVSS Score

Published: December 5, 2022 at 04:50 PM UTC

Updated: June 17, 2026 at 05:00 AM UTC

1 product affected across 1 vendorClerk.io

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Severity

HIGH7.5

Exploit prediction

EPSS 0.9%

SSVC

PoC

Description

The Clerk WordPress plugin before 4.0.0 is affected by time-based attacks in the validation function for all API requests due to the usage of comparison operators to verify API keys against the ones stored in the site options.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Clerk.io · Clerk Iowordpress-plugin

95%

v < 4.0.0

Affected range stops below 4.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory

Source: [email protected]

https://wpscan.com/vulnerability/7920c1c1-709d-4b1f-ac08-f0a02ddb329c

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-203

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