8.7 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
64.7%
The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 allows remote authenticated users to cause a denial of service (disk consumption) via a file upload using one byte chunks.
www.securitytracker.com/id/1034028
lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000181.html
phabricator.wikimedia.org/T91205