Medium severity · published Jan 4, 2021
CVE-2021-21494
MK-AUTH through 19.01 K4.9 allows XSS via the admin/logs_ajax.php tipo parameter
4.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MK
Mk-auth · Mk-auth
through 19.01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21494
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21494
Vendor Advisory
http://mk-auth.com.br/
Exploit
https://gist.github.com/alacerda/380b8923e36a29a02ba1457c1eb3ec2f
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CVE-2021-21495
MK-AUTH through 19.01 K4.9 allows CSRF for password changes via the central/executar_central.php?acao=altsenha_princ URI