CVE-2026-84734 Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pass' Parameter
Unauthenticated attackers can bypass authentication to gain administrator access via the mql_pass parameter in the Mindstien Quick Login plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84734?
CVE-2026-84734 is a critical authentication bypass vulnerability in Unknown Mindstien Quick Login, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2026-84734?
How do I fix CVE-2026-84734?
No fix has been published for CVE-2026-84734 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-84734 being exploited?
There is no known exploitation of CVE-2026-84734 in the wild and no public exploit code.
Sources
Also known as GHSA-78rw-wp89-q5cq.