CVE-2022-42985 Information

Description

The ScratchLogin extension through 1.1 for MediaWiki does not escape verification failure messages which allows users with administrator privileges to perform cross-site scripting (XSS).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/InternationalScratchWiki/mediawiki-scratch-login/blob/4d2c1229b558b9cd685961274f20b621d114f4db/ScratchLogin.common.php#L104 https://github.com/InternationalScratchWiki/mediawiki-scratch-login/pull/22

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

4.8