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CVE-2017-8809
CRITICAL
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.
Published: Nov 15, 2017
Modified: Jun 17, 2026
CWE-74
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (7)
| Vendor | Product | Version |
|---|---|---|
| mediawiki | mediawiki | * |
| mediawiki | mediawiki | 1.28.0 |
| mediawiki | mediawiki | 1.28.1 |
| mediawiki | mediawiki | 1.28.2 |
| mediawiki | mediawiki | 1.29.0 |
| mediawiki | mediawiki | 1.29.1 |
| debian | debian_linux | 9.0 |
GitHub Security Advisory GHSA-9jj4-4ghw-p8jj
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...
References (6)
- http://www.securitytracker.com/id/1039812 Third Party Advisory, VDB Entry
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html Mailing List, Patch, Vendor Advisory
- https://www.debian.org/security/2017/dsa-4036 Third Party Advisory
- http://www.securitytracker.com/id/1039812 Third Party Advisory, VDB Entry
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html Mailing List, Patch, Vendor Advisory
- https://www.debian.org/security/2017/dsa-4036 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
7.71%
Top 6% most likely to be exploited
Threat Score
41.5 / 100
Data Sources
NVD
EPSS
GitHub