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CVE-2020-26310— GHSL-2020-305: Regular Expression Denial of Service (ReDoS) in Pure JavaScript HTML5 Parser

Quick assessment

Affected
blowsie Pure-JavaScript-HTML5-Parser
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

validate.js是Nicklas Ansman个人开发者的一个 javascript 编写的声明性验证库。 validate.js存在安全漏洞，该漏洞源于存在正则表达式拒绝服务漏洞。

AI Predicted 5.3 Difficulty: Easy EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-26310

Vulnerability Information
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Vulnerability Title
GHSL-2020-305: Regular Expression Denial of Service (ReDoS) in Pure JavaScript HTML5 Parser
Source: CVE Program / CVE List V5
Vulnerability Description
Validate.js provides a declarative way of validating javascript objects. All versions as of 30 November 2020 contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
validate.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
validate.js是Nicklas Ansman个人开发者的一个 javascript 编写的声明性验证库。 validate.js存在安全漏洞，该漏洞源于存在正则表达式拒绝服务漏洞。
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
blowsie Pure-JavaScript-HTML5-Parser 0 -

II. Public POCs for CVE-2020-26310

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III. Intelligence Information for CVE-2020-26310

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IV. Related Vulnerabilities

Same weakness: CWE-1333

V. Comments for CVE-2020-26310

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