CVE-2026-84734CWE-287

CVE-2026-84734

Critical · published October 11, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
26.4
In the wild
Unconfirmed
What it is

The Mindstien Quick Login WordPress plugin through 1.0 does not correctly validate a value supplied in the request against the visitor's own session before authenticating them, allowing unauthenticated attackers to obtain a session as the administrator account the Mindstien Quick Login WordPress plugin through 1.0 is configured with.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00341 · 26.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-10-11T11:17Z
References (1)
https://wpscan.com/vulnerability/648d461c-6610-4566-a310-b02187d68cc9/ · [email protected]
EPSS history
Timeline
  • 12 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 11 OCT 06:00Z
    Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pass' Parameter
    cvelistv5
  • 11 OCT 06:00Z
    Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pass' Parameter
    cvelistv5