TI-2021-04592 Aliases CVE-2021-21494 GHSA-w46m-mpvw-cv2h

MK-AUTH through 19.01 K4.9 allows XSS via the admin/logs_ajax.php tipo parameter.

LOW 23CWE-732Published 2021-01-04 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00518 44th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mk-auth:mk-auth::::::::	up to 19.01	Vulnerable	Mk-auth

cpe:2.3:a:mk-auth:mk-auth:*:*:*:*:*:*:*:* Versions up to 19.01 Vulnerable ·Mk-auth

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-21494
2026-10-03 Alias added: GHSA-w46m-mpvw-cv2h

References

Exploit 1

https://gist.github.com/alacerda/380b8923e36a29a02ba1457c1eb3ec2f

Advisory 1

http://mk-auth.com.br/

TI-2020-11024 An issue was discovered in MK-AUTH 19.01. CVSS 3.1CRITICAL 9.8
TI-2020-11022 An issue was discovered in MK-AUTH 19.01. CVSS 3.1CRITICAL 9.8
TI-2020-11020 An issue was discovered in MK-AUTH 19.01. CVSS 3.1CRITICAL 9.8
TI-2023-11999 An arbitrary file upload vulnerability in the Virtual Disk of MK-Auth 23.01K4.9 allows… CVSS 3.1HIGH 8.8
TI-2021-04593 MK-AUTH through 19.01 K4.9 allows CSRF for password changes via the… CVSS 3.1HIGH 8.8
TI-2020-11021 An issue was discovered in MK-AUTH 19.01. CVSS 3.1MEDIUM 6.8

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences