CVE-2024-45801— Tampering by prototype polution in DOMPurify
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I. Basic Information for CVE-2024-45801
Vulnerability Information
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Vulnerability Title
Tampering by prototype polution in DOMPurify
Source: NVD (National Vulnerability Database)
Vulnerability Description
DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It has been discovered that malicious HTML using special nesting techniques can bypass the depth checking added to DOMPurify in recent releases. It was also possible to use Prototype Pollution to weaken the depth check. This renders dompurify unable to avoid cross site scripting (XSS) attacks. This issue has been addressed in versions 2.5.4 and 3.1.3 of DOMPurify. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
Vulnerability Title
DOMPurify 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DOMPurify是Cure53个人开发者的一款使用JavaScript编写的，用于HTML、MathML和SVG的DOM（文档对象模型）。 DOMPurify 2.5.4之前版本和3.1.3之前版本存在安全漏洞，该漏洞源于恶意HTML使用特殊嵌套技术绕过DOMPurify近期版本中添加的深度检查。同时，也可以通过原型污染来削弱深度检查，导致容易受到跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-45801
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IV. Related Vulnerabilities
Same product: DOMPurify
- CVE-2026-41240
DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS p - CVE-2026-41239
DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode - CVE-2026-41238
DOMPurify: Prototype Pollution to XSS Bypass via CUSTOM_ELEM - CVE-2026-0540
DOMPurify XSS via Missing Rawtext Elements in SAFE_FOR_XML - CVE-2025-15599
DOMPurify XSS via Textarea Rawtext Bypass in SAFE_FOR_XML
Same vendor: cure53
- CVE-2026-41240
DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS p - CVE-2026-41239
DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode - CVE-2026-41238
DOMPurify: Prototype Pollution to XSS Bypass via CUSTOM_ELEM - CVE-2026-0540
DOMPurify XSS via Missing Rawtext Elements in SAFE_FOR_XML - CVE-2025-15599
DOMPurify XSS via Textarea Rawtext Bypass in SAFE_FOR_XML
Same weakness: CWE-1333
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Mistune ReDoS in LINK_TITLE_RE allows denial of service with - CVE-2026-41040
GROWI 安全漏洞 - CVE-2026-40319
Giskard has a Regular Expression Denial of Service (ReDoS) i - CVE-2026-5986
Zod jsVideoUrlParser util.js getTime redos - CVE-2026-35041
ReDoS in fast-jwt when using RegExp in allowed* leading to C
V. Comments for CVE-2024-45801
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