Low severityNVD Advisory· Published Mar 10, 2026· Updated Apr 28, 2026
CVE-2026-30977
CVE-2026-30977
Description
RenderBlocking is a MediaWiki extension that allows interface administrators to specify render-blocking CSS and JavaScript. Prior to 0.1.1, there is Stored XSS in renderblocking-css with Inline Assets mode. $wgRenderBlockingInlineAssets = true and editsitecss user rights are required. This vulnerability is fixed in 0.1.1.
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Affected products
1Patches
Vulnerability mechanics
References
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