CVE-2018-19836 Information

Description

In Metinfo 6.1.3 include/interface/applogin.php allows setting arbitrary HTTP headers (including the Cookie header) and common.inc.php allows registering variables from the $_COOKIE value. This issue can for example be exploited in conjunction with CVE-2018-19835 to bypass many XSS filters such as the Chrome XSS filter.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/imagemlt/metinfo/tree/master/reflected_xss_bypass_chrome

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1