CVE-2020-26870
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
DOMPurify是一款使用JavaScript编写的，用于HTML、MathML和SVG的DOM（文档对象模型）。 DOMPurify 2.0.17版本存在跨站脚本漏洞，该漏洞源于serialize-parse往返并不一定返回原来的DOM树,和一个名称空间可以改变从HTML到MathML,证明了嵌套的表单元素。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2020-26870
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
DOMPurify 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DOMPurify是一款使用JavaScript编写的，用于HTML、MathML和SVG的DOM（文档对象模型）。 DOMPurify 2.0.17版本存在跨站脚本漏洞，该漏洞源于serialize-parse往返并不一定返回原来的DOM树,和一个名称空间可以改变从HTML到MathML,证明了嵌套的表单元素。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2020-26870
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2020-26870 (1)
Vendor Advisories for CVE-2020-26870 (2)
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https://www.oracle.com//security-alerts/cpujul2021.html x_refsource_MISC
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https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870 vendor-advisory x_refsource_MS
Other References for CVE-2020-26870 (2)
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https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17 x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2020-26870
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