CVE-2026-73491
CVE-2026-73491: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityLow3.7
Low [CVE-2026-73491] Cross-Site Scripting via malformed `javascript:` URI parsing
CVE-2026-73491Source published Source updated
Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. From 2.25.0 until 2.25.2, Loofah::HTML5::Scrub.allowed_uri? does not reject javascript: URIs whose scheme is split or prefixed with the HTML5 named whitespace character references or CGI.unescapeHTML leaves those references intact, so allowed_uri? reports the URL safe even though a browser decodes and strips the tab or line feed and executes the resulting javascript: URL. This issue affects only callers that pass HTML-encoded strings directly to allowed_uri?; Loofah's default sanitize() path is not affected. This issue is fixed in version 2.25.2. A flaw was found in Loofah. This vulnerability allows a remote attacker to craft a malicious URI that, when processed by…
- Affected products in this advisory
- Red Hat 3scale API Management Platform 2
- Red Hat Satellite 6
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 2.25.2
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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