CVE-2026-110963

Userplace <= 1.2.0 - Unauthenticated Privilege Escalation

Published Nov 8, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The Userplace WordPress plugin through 1.2.0 does not perform authorization checks on an AJAX action available to unauthenticated users and publicly exposes the nonce that protects it, allowing unauthenticated attackers to create an administrator account or write arbitrary site options, leading to full site takeover.

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
First Time appeared Wordpress-extensions
Wordpress-extensions userplace
Vendors & Products Wordpress-extensions
Wordpress-extensions userplace
Type Values Removed Values Added
Weaknesses CWE-285
CWE-640
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Weaknesses CWE-285
CWE-640
Type Values Removed Values Added
Description The Userplace WordPress plugin through 1.2.0 does not perform authorization checks on an AJAX action available to unauthenticated users and publicly exposes the nonce that protects it, allowing unauthenticated attackers to create an administrator account or write arbitrary site options, leading to full site takeover.
Title Userplace <= 1.2.0 - Unauthenticated Privilege Escalation
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 8, 2026, 7:05 PM
Reserved
Oct 15, 2026, 9:39 AM
Status
Deferred
Published
Nov 8, 2026, 6:17 AM
Modified
Nov 10, 2026, 4:28 PM