Clerk < 4.0.0 - Authentication Bypass and API Keys Disclosure

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2022-3907
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-05 17:15:10 UTC
Updated2026-06-08 19:28:20 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.008810000 probability, percentile 0.542560000 (date 2026-06-15)

Problem Types: CWE-203 | CWE-203 Observable Discrepancy

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Clerk.io Clerk.io All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Clerk affected 4.0.0 custom Not specified

References

ReferenceSourceLinkTags
Clerk <= 3.8.2 - Authentication Bypass and API Keys Disclosure WordPress Security Vulnerability af854a3a-2127-422b-91ae-364da2661108 wpscan.com Exploit, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Francesco Carlucci (en)

CNA: WPScan (en)

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