CVE Vulnerabilities

CVE-2017-8809

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Published: Nov 15, 2017 | Modified: Apr 20, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
root.io logo minimus.io logo echo.ai logo

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.

Weakness

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Affected Software

NameVendorStart VersionEnd Version
MediawikiMediawiki*1.27.3 (including)
MediawikiMediawiki1.28.0 (including)1.28.0 (including)
MediawikiMediawiki1.28.1 (including)1.28.1 (including)
MediawikiMediawiki1.28.2 (including)1.28.2 (including)
MediawikiMediawiki1.29.0 (including)1.29.0 (including)
MediawikiMediawiki1.29.1 (including)1.29.1 (including)
MediawikiUbuntuartful*
MediawikiUbuntutrusty*
MediawikiUbuntuupstream*
MediawikiUbuntuzesty*

Potential Mitigations

References