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2 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.
Arbitrary HTML can be inserted into the DOM by inserting a payload into any allowed attribute of the <tabber tag. Details The args provided within the wikitext as attributes to the <tabber tag are passed to the TabberComponentTabs class: https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Tabber.php#L76 In TabberComponentTabs, the attributes are validated before being supplied to the Tabs template. https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/3a23b703ce36cfc4128e7921841f68230be4059a/includes/Components/TabberComponentTabs.php#L15-L31 However, the validation is insufficient. What Sanitizer::validateTagAttributes does is call validateAttributes, which However, the attribute values are expected to be escaped when inserted into HTML. The attribute values are then inserted into HTML without being escaped:…
Recommended action: Upgrade to 3.1.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
There are several sources of arbitrary, unescaped user input being used to construct HTML, which allows any user that can edit pages or otherwise render wikitext to XSS other users. Edit: Only the first XSS can be reproduced in production. Details ✅ Verified and patched in f229cab099c69006e25d4bad3579954e481dc566 https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/2526daa9f8cfdd616c861c8439755cb74a6c8c6e/includes/TabberTransclude.php#L154 This doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This was caused by d8c3db4e5935476e496d979fb01f775d3d3282e6. ---- ❌ Invalid as MediaWiki parser sanitizes dangerous HTML https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue/blob/2526daa9f8cfdd616c861c8439755cb74a6c8c6e/includes/Tabber.php#L160 The documentation for Parser::recursiveTagParse() states that it returns unsafe HTML, and the $content being supplied is from user input. This was…
Recommended action: Upgrade to 2.7.2 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.