Cross-site scripting in MediaWiki and Debian Linux - CVE-2017-8808
Published: November 15, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU37965
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-8808
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MediaWiki.org
Debian
Debian
Affected software:
MediaWiki
Debian Linux
MediaWiki
Debian Linux
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has XSS when the $wgShowExceptionDetails setting is false and the browser sends non-standard URL escaping.
How to mitigate CVE-2017-8808
Install update from vendor's website.