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Filtered by vendor Scratch-wiki Subscribe
Filtered by product Scratchsig
Total 1 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-15179 1 Scratch-wiki 1 Scratchsig 2020-09-22 4.6 MEDIUM 9.0 CRITICAL
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.