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CVE-2022-23647— Cross-site Scripting in Prism

Quick assessment

Affected
PrismJS prism
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.

Prism是美国Prism个人开发者的一个应用软件。是一种轻量级的，可扩展的语法突出显示工具。 Prism 存在跨站脚本漏洞，该漏洞源于命令行插件没有正确地转义其输出，导致输入文本作为HTML代码插入到DOM中。Prism的服务器端使用不会受到影响。不使用命令行插件的网站也不会受到影响。

CVSS 7.5 · High EPSS 1.48% · P72
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I. Basic Information for CVE-2022-23647

Vulnerability Information
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Vulnerability Title
Cross-site Scripting in Prism
Source: CVE Program / CVE List V5
Vulnerability Description
Prism is a syntax highlighting library. Starting with version 1.14.0 and prior to version 1.27.0, Prism's command line plugin can be used by attackers to achieve a cross-site scripting attack. The command line plugin did not properly escape its output, leading to the input text being inserted into the DOM as HTML code. Server-side usage of Prism is not impacted. Websites that do not use the Command Line plugin are also not impacted. This bug has been fixed in v1.27.0. As a workaround, do not use the command line plugin on untrusted inputs, or sanitize all code blocks (remove all HTML code text) from all code blocks that use the command line plugin.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Prism 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Prism是美国Prism个人开发者的一个应用软件。是一种轻量级的，可扩展的语法突出显示工具。 Prism 存在跨站脚本漏洞，该漏洞源于命令行插件没有正确地转义其输出，导致输入文本作为HTML代码插入到DOM中。Prism的服务器端使用不会受到影响。不使用命令行插件的网站也不会受到影响。
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
PrismJS prism >= 1.14.0, < 1.27.0 -

II. Public POCs for CVE-2022-23647

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III. Intelligence Information for CVE-2022-23647

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Patches & Fixes for CVE-2022-23647 (2)

Vendor Advisories for CVE-2022-23647 (1)

IV. Related Vulnerabilities

Same product: prism
Same vendor: PrismJS
Same weakness: CWE-79

V. Comments for CVE-2022-23647

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