Security Advisory

CVE-2020-15179

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-09-15 18:10:13

Last updated 2024-08-04 13:08:22

Assigner GitHub_M

State PUBLISHED

Description

The ScratchSig extension for MediaWiki before version 1.0.1 allows stored Cross-Site Scripting. Using <script> tag inside <scratchsig> tag, attackers with edit permission can execute scripts on visitors browser. With MediaWiki JavaScript API, this can potentially lead to privilege escalation and/or account takeover. This has been patched in release 1.0.1. This has already been deployed to all Scratch Wikis. No workarounds exist other than disabling the extension completely.

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