Rapid7 Vulnerability & Exploit Database

MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2022-34911)

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MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2022-34911)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
07/02/2022
Created
07/16/2022
Added
07/14/2022
Modified
05/17/2024

Description

An issue was discovered in MediaWiki before 1.35.7, 1.36.x and 1.37.x before 1.37.3, and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation, when it sets the page title to "Welcome" followed by the username, the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as second parameter, and OutputPage::setPageTitle() uses text().

Solution(s)

  • mediawiki-upgrade-1_35_7
  • mediawiki-upgrade-1_37_3

References

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