CVE-2026-108685

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

Published Oct 29, 2026 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Description
The 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions wp Post Author
Vendors & Products Wordpress-extensions
Wordpress-extensions wp Post Author
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Description The 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.
Title WP Post Author < 4.2.0 - Unauthenticated Modification of the First User Account's Profile Fields
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 29, 2026, 10:56 AM
Reserved
Oct 10, 2026, 10:33 PM
Status
Deferred
Published
Oct 29, 2026, 6:17 AM
Modified
Oct 29, 2026, 3:18 PM