WordPress Plugin Vulnerabilities
Userplace <= 1.2.0 - Unauthenticated Privilege Escalation
Description
The plugin 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.
Proof of Concept
Affects Plugins
No known fix References
CVE
Classification
Type
PRIVESC
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Naoki Kawahigashi
Submitter
Naoki Kawahigashi
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-11-06 (about 2 days ago)
Added
2026-11-06 (about 1 day ago)
Last Updated
2026-11-07 (about 7 hours ago)
