What’s Vulnerable › Vulnerabilities

CVE-2021-21494

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-04 · updated 2026-06-17
• Weakness: CWE-732

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.

Affected products

• Mk-Auth: through 19.01

References

• http://mk-auth.com.br/
• https://gist.github.com/alacerda/380b8923e36a29a02ba1457c1eb3ec2f
• http://mk-auth.com.br/
• https://gist.github.com/alacerda/380b8923e36a29a02ba1457c1eb3ec2f

Get alerted when CVE-2021-21494 or the next vulnerability affects your stack