MediaWiki Arbitrary File Upload Vulnerability

High Nessus Network Monitor Plugin ID 6842


The remote web server is running a PHP application that is affected by a cross-site scripting vulnerability.


The remote web server is running MediaWiki.

The application is prone to an arbitrary file-upload vulnerability because it fails to adequately validate files before uploading them to the vulnerable server. An attacker can exploit this issue to upload a chunk file through API.


Upgrade to MediaWiki version 1.20.6, 1.19.7, or higher.

See Also

Plugin Details

Severity: High

ID: 6842

Family: CGI

Published: 2013/05/28

Modified: 2018/07/11

Dependencies: 1442

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C


Base Score: 7.3

Temporal Score: 6.8


Temporal Vector: CVSS3#E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mediawiki:mediawiki

Patch Publication Date: 2013/05/22

Vulnerability Publication Date: 2013/05/21

Reference Information

CVE: CVE-2013-2114

BID: 60077