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CVE-2021-32696— Passing in a non-string 'html' argument can lead to unsanitized output

Quick assessment

Affected
ericnorris striptags
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.

striptags是一个软件包。 striptags 存在安全漏洞，该漏洞源于在3.2.0版本之前的striptags中，当一个类似数组的对象作为 html 参数传入时，类型混淆漏洞会导致 striptags 连接未经处理的字符串。攻击者可利用该漏洞输入的形状，查询参数被直接传递到函数中，这可能导致XSS。

CVSS 3.7 · Low EPSS 1.08% · P63

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32696

Vulnerability Information
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Vulnerability Title
Passing in a non-string 'html' argument can lead to unsanitized output
Source: CVE Program / CVE List V5
Vulnerability Description
The npm package "striptags" is an implementation of PHP's strip_tags in Typescript. In striptags before version 3.2.0, a type-confusion vulnerability can cause `striptags` to concatenate unsanitized strings when an array-like object is passed in as the `html` parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function. This can lead to a XSS.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
非预期数据类型处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
striptags 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
striptags是一个软件包。 striptags 存在安全漏洞，该漏洞源于在3.2.0版本之前的striptags中，当一个类似数组的对象作为 html 参数传入时，类型混淆漏洞会导致 striptags 连接未经处理的字符串。攻击者可利用该漏洞输入的形状，查询参数被直接传递到函数中，这可能导致XSS。
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
ericnorris striptags < 3.2.0 -

II. Public POCs for CVE-2021-32696

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III. Intelligence Information for CVE-2021-32696

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Patches & Fixes for CVE-2021-32696 (1)

Vendor Advisories for CVE-2021-32696 (1)

Other References for CVE-2021-32696 (2)

IV. Related Vulnerabilities

Same weakness: CWE-241

V. Comments for CVE-2021-32696

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