CVE-2026-116802

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{"bugzilla": {"description": "dompurify: DOMPurify: Cross-site scripting via attribute sanitization bypass in XHTML mode", "id": "2561481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2561481"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["A flaw was found in DOMPurify. This vulnerability allows a remote attacker to perform cross-site scripting (XSS). When configured to parse Extensible Hypertext Markup Language (XHTML) content, the library fails to properly normalize and sanitize attribute names within animation elements. An attacker could exploit this by submitting crafted Scalable Vector Graphics (SVG) content, which bypasses link filtering and executes malicious scripts in the victim's browser when clicked."], "name": "CVE-2026-116802", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "ruff", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-26T23:05:34Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116802\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116802\nhttps://github.com/cure53/DOMPurify/security/advisories/GHSA-c6gr-qvv4-5v3f\nhttps://www.vulncheck.com/advisories/dompurify-before-3.4.17-xss-via-smil-attributename-guard-bypass-in-xhtml-mode"], "threat_severity": "Moderate"}

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