RHSA-2026:70917

Vulnerability from csaf_redhat - Published: 2026-09-23 16:29 - Updated: 2026-09-25 22:28
Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Severity
Moderate
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs: grafana12.4: * grafana12.4-12.4.10-0.7.hum1 (aarch64, x86_64) * grafana12.4-12.4.10-0.7.hum1.src (src) Security Fix(es): grafana12.4: * CVE-2026-75838
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2026-75838

A flaw was found in DOMPurify. This cross-site scripting vulnerability occurs during IN_PLACE sanitization, where element-removal hooks fail to neutralize detached subtrees. A remote attacker can exploit this by supplying specially crafted HTML with event handlers. This allows the execution of malicious scripts even after the HTML appears to be sanitized, leading to potential information disclosure or unauthorized actions.

6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@aarch64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@src —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@x86_64 —
Vendor Fix fix
Workaround
Threats
Impact Moderate
References
To clipboard 

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      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2026-08-18T11:32:11.523560+00:00",
      "ids": [
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          "text": "2517772"
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          "category": "description",
          "text": "A flaw was found in DOMPurify. This cross-site scripting vulnerability occurs during IN_PLACE sanitization, where element-removal hooks fail to neutralize detached subtrees. A remote attacker can exploit this by supplying specially crafted HTML with event handlers. This allows the execution of malicious scripts even after the HTML appears to be sanitized, leading to potential information disclosure or unauthorized actions.",
          "title": "Vulnerability description"
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          "text": "dompurify: DOMPurify: Cross-Site Scripting via IN_PLACE sanitization",
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        {
          "category": "other",
          "text": "This cross-site scripting flaw in DOMPurify affects Red Hat products that utilize the library for HTML sanitization. The vulnerability allows attackers to execute arbitrary JavaScript by exploiting incomplete neutralization of detached subtrees during IN_PLACE sanitization, but only when a non-default configuration involving an element-removal hook is in use and user interaction with specially crafted content occurs.",
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          "summary": "https://github.com/cure53/DOMPurify/security/advisories/GHSA-55q2-fjhq-7xh7",
          "url": "https://github.com/cure53/DOMPurify/security/advisories/GHSA-55q2-fjhq-7xh7"
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          "summary": "https://www.vulncheck.com/advisories/dompurify-before-cross-site-scripting-via-in-place-hook",
          "url": "https://www.vulncheck.com/advisories/dompurify-before-cross-site-scripting-via-in-place-hook"
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      "release_date": "2026-08-18T11:19:47.885000+00:00",
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            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@x86_64"
          ]
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@aarch64",
            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@src",
            "Red Hat Hardened Images:grafana12.4-0:12.4.10-0.7.hum1@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "dompurify: DOMPurify: Cross-Site Scripting via IN_PLACE sanitization"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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