CVE-2026-110963

Userplace <= 1.2.0 - Unauthenticated Privilege Escalation

  • Critical 9.8
  • A public exploit reference is 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.

Key facts

Published
8 Nov 2026
Last changed
8 Nov 2026
Assigned by
WPScan
EPSS
0.277% likely to be exploited in the next 30 days, higher than 20.367% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.1, Criticalfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
UnknownUserplace
  • Default status: unknown
  • 0 up to and including 1.2.0 (affected)

Timeline

  1. 8 Nov 2026 Published

Weakness

References