WP Post Author < 4.2.0 - Unauthenticated Modification of the First User Account's Profile Fields

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-108685
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-29 06:17:17 UTC
Updated2026-10-29 06:17:17 UTC
DescriptionThe WP Post Author WordPress plugin before 4.2.0 does not check that the account was created before updating its profile during front-end registration, allowing unauthenticated users to overwrite the display name, nickname and website of the first user account, which is normally the administrator, when a registration form declares one of those fields.

Risk And Classification

Problem Types: CWE-862 Missing Authorization

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown WP Post Author affected 4.2.0 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/605832f7-40d5-4a74-a30a-5f5f2906db63 [email protected] wpscan.com
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: Mutantgun (en)

CNA: WPScan (en)

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