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Debian: CVE-2020-25814: mediawiki -- security update

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Debian: CVE-2020-25814: mediawiki -- security update

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
09/28/2020
Created
09/28/2020
Added
09/28/2020
Modified
10/07/2020

Description

In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an <a> tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href ="javascript... that executes when clicked.

Solution(s)

  • debian-upgrade-mediawiki

References

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