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      "name" : "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    },
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    "ids" : [ {
      "system_name" : "Red Hat Bugzilla ID",
      "text" : "2488565"
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      "category" : "description",
      "text" : "A flaw was found in the `sanitize-html` library. Under its default configuration, an attacker can embed malicious content within a disallowed `xmp` element. This vulnerability allows the attacker to bypass the HTML sanitization process, leading to stored Cross-Site Scripting (XSS). Successful exploitation can result in arbitrary code execution or information disclosure when a user views the affected content.",
      "title" : "Vulnerability description"
    }, {
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      "text" : "sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important flaw. The `sanitize-html` library, used in Red Hat products, is susceptible to a stored Cross-Site Scripting (XSS) bypass. Malicious content within a disallowed `xmp` element can be rendered as live HTML or JavaScript due to a sanitizer bypass in the default configuration. This can lead to arbitrary code execution or information disclosure when affected content is viewed.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
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      "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-44990"
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      "summary" : "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-rpr9-rxv7-x643",
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      "date" : "2026-07-27T13:04:49+00:00",
      "details" : "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "restart_required" : {
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      "url" : "https://access.redhat.com/errata/RHSA-2026:46685"
    }, {
      "category" : "workaround",
      "details" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
      "product_ids" : [ "Red Hat Container Native Virtualization 4.19:registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:3eaf423aed9cdb9cdb90772b282298de8396be63ae9c5bfeefb71835c668a18a_s390x", "Red Hat Container Native Virtualization 4.19:registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:946645ea61d31185f5e52d12b67aac639f9bc64de03f846ae9250171a1b608b0_arm64", "Red Hat Container Native Virtualization 4.19:registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:ec0830c6ab600e557a1acfb9cf47a66183baf25f812b869672f7a3e3746e7a8a_amd64" ]
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        "attackComplexity" : "LOW",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "NONE",
        "baseScore" : 8.1,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "HIGH",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "REQUIRED",
        "vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
        "version" : "3.1"
      },
      "products" : [ "Red Hat Container Native Virtualization 4.19:registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:3eaf423aed9cdb9cdb90772b282298de8396be63ae9c5bfeefb71835c668a18a_s390x", "Red Hat Container Native Virtualization 4.19:registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:946645ea61d31185f5e52d12b67aac639f9bc64de03f846ae9250171a1b608b0_arm64", "Red Hat Container Native Virtualization 4.19:registry.redhat.io/container-native-virtualization/kubevirt-console-plugin-rhel9@sha256:ec0830c6ab600e557a1acfb9cf47a66183baf25f812b869672f7a3e3746e7a8a_amd64" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "sanitize-html: `sanitize-html`: Stored Cross-Site Scripting via HTML sanitizer bypass"
  } ]
}