CVE-2026-84734 Mindstien Quick Login WordPress plugin - Authentication Bypass

Mindstien Quick Login WordPress plugin through 1.0 contains a broken authentication caused by improper validation of request values against visitor sessions, letting unauthenticated attackers obtain administrator sessions, exploit requires crafted request.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
11 October 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to the latest version of Mindstien Quick Login WordPress plugin.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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