Main Vulnerability Database Vulnerabilities #VU37966

Improper Neutralization of Special Elements in Output Used by a Downstream Component in MediaWiki and Debian Linux - CVE-2017-8809

Published: November 15, 2017 / Updated: August 8, 2020

Vulnerability identifier: #VU37966

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-8809

CWE-ID: CWE-74

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

api.php in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has a Reflected File Download vulnerability.

MediaWiki
Debian Linux
Arch Linux

Install update from vendor's website.