CVE-2021-21494

PoC —

CVSS 3.1

4.8 medium

EPSS

<1%p42

Published

Jan 4, 2021 (Jan 4, 2021)

Modified

Jun 17, 2026

Description

MK-AUTH through 19.01 K4.9 allows XSS via the admin/logs_ajax.php tipo parameter. An attacker can leverage this to read the centralmka2 (session token) cookie, which is not set to HTTPOnly.

Vendors: mk-auth
Products: mk-auth
Weakness: CWE-732
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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