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Dompurify EUVDEUVD-2026-48582

| CVE-2026-66010 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-07-24 VulnCheck GHSA-jxrp-r7gx-q4j8
5.1
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
5.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
SUSE
6.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Red Hat
6.1 MEDIUM
qualitative

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

3
Source Code Evidence Fetched
Jul 26, 2026 - 12:19 vuln.today
Analysis Generated
Jul 26, 2026 - 12:19 vuln.today
Patch available
Jul 24, 2026 - 14:32 EUVD

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 289 npm packages depend on dompurify (77 direct, 212 indirect)

Ecosystem-wide dependent count for version 3.4.12.

DescriptionCVE.org

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELEMENT_HANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into innerHTML sinks, creating second-order XSS gadgets.

AnalysisAI

DOMPurify before 3.4.12 fails to invoke the afterSanitizeElements hook for custom elements permitted via CUSTOM_ELEMENT_HANDLING.tagNameCheck, enabling attackers to retain

CVE-2024-47875 MEDIUM POC
6.1 Oct 11

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. Rated medium severity (CVSS 6

CVE-2020-26870 MEDIUM POC
6.1 Oct 07

Cure53 DOMPurify before 2.0.17 allows mutation XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exp

CVE-2019-16728 MEDIUM POC
6.1 Sep 24

DOMPurify before 2.0.1 allows XSS because of innerHTML mutation XSS (mXSS) for an SVG element or a MATH element, as demo

CVE-2024-48910 CRITICAL
9.8 Oct 31

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. Rated critical severity (CVSS

CVE-2026-65914 MEDIUM POC
5.3 Jul 23

Mutation-XSS in DOMPurify before 3.3.2 enables JavaScript execution in victim browsers when sanitized output is re-inser

CVE-2026-65902 MEDIUM POC
5.3 Jul 23

Hook mutation pollution in DOMPurify <= 3.4.5 allows persistent bypass of HTML sanitization defaults when application-in

CVE-2026-65899 MEDIUM POC
5.1 Jul 23

Trusted Types policy state contamination in DOMPurify 3.0.0-3.4.8 allows a previously supplied TRUSTED_TYPES_POLICY to s

CVE-2026-65913 MEDIUM POC
5.1 Jul 23

Prototype pollution in DOMPurify's USE_PROFILES mode enables DOM-based XSS by causing the sanitizer to accept event hand

CVE-2026-65912 MEDIUM POC
5.1 Jul 23

URI validation bypass in DOMPurify 3.3.1 and earlier allows `javascript:` protocol payloads to survive HTML sanitization

CVE-2026-65900 MEDIUM POC
5.1 Jul 23

SAFE_FOR_TEMPLATES bypass in DOMPurify 3.0.0-3.4.7 allows template expressions such as ${evil}, {{evil}}, and <%evil%> t

CVE-2026-65901 MEDIUM POC
5.1 Jul 23

Cross-site scripting in DOMPurify 3.4.6 and earlier enables script execution when the library's IN_PLACE sanitization mo

CVE-2026-65898 MEDIUM POC
5.1 Jul 23

Stored XSS is achievable in applications using DOMPurify's setConfig() API combined with an uponSanitizeAttribute hook t

Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Module for SAP Applications 15 SP7 Affected
SUSE Linux Enterprise Server 16.0 Affected
SUSE Linux Enterprise Server 16.1 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 Affected
SUSE Linux Enterprise Server for SAP applications 16.0 Affected

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EUVD-2026-48582 vulnerability details – vuln.today

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