Rapid7 Vulnerability & Exploit Database

MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2020-35478)

Back to Search

MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2020-35478)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
12/18/2020
Created
12/22/2020
Added
12/21/2020
Modified
12/29/2020

Description

MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw HTML with SCRIPT tags via LogFormatter::makePageLink(). This affects MediaWiki 1.33.0 and later.

Solution(s)

  • mediawiki-upgrade-1_35_1

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;