NuytsTech Security

CVE-2020-27620

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The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

Date published : 2020-10-21

https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749

https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751

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