CVE-2018-19836

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-12-03 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

MetInfo CMS: 6.1.3

References

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

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