CVE-2023-37255

CVSS Score of 10 (low)

Details

Published Jun 29, 2023
Updated: Jul 6, 2023
CWE ID 79

Summary

CVE-2023-37255 is a vulnerability found in the CheckUser extension for MediaWiki versions up to 1.39.3. The vulnerability allows for HTML injection through the User-Agent HTTP request header in the "get edits" type check in the Special:CheckUser page. This vulnerability affects numerous products, including Xz2hff, Xz2hfe, Xz2hf_, and many others. The risk score for this vulnerability is 25. To remediate this issue, it is recommended to update MediaWiki to version 1.39.4 or later, which contains a fix for the vulnerability. If left unaddressed, this vulnerability poses a potential danger to organizations as it could be exploited by an attacker to inject malicious code into webpages and potentially compromise user data or perform unauthorized actions on the affected system.

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