CVE-2017-8809

9.8 CRITICAL

Published: November 15, 2017 Modified: May 13, 2026

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securitytracker.com/id/1039812

Source: security@debian.org

Third Party Advisory VDB Entry

https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html

Source: security@debian.org

Mailing List Patch Vendor Advisory

https://www.debian.org/security/2017/dsa-4036

Source: security@debian.org

Third Party Advisory

http://www.securitytracker.com/id/1039812

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Patch Vendor Advisory

https://www.debian.org/security/2017/dsa-4036

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

7.7%

94th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-74

Affected Vendors

mediawiki debian

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