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CVE-2020-26298— Injection in Redcarpet

Quick assessment

Affected
vmg redcarpet
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.

Vicent Martí Redcarpet是Vicent Martí个人开发者的一个基于Rust可对Markdown语法进行解析的代码库。 Redcarpet before version 3.5.1 存在注入漏洞，该漏洞源于在处理引号时不会执行HTML转义。

CVSS 6.8 · Medium EPSS 1.59% · P76
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I. Basic Information for CVE-2020-26298

Vulnerability Information
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Vulnerability Title
Injection in Redcarpet
Source: CVE Program / CVE List V5
Vulnerability Description
Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Vicent Martí Redcarpet 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vicent Martí Redcarpet是Vicent Martí个人开发者的一个基于Rust可对Markdown语法进行解析的代码库。 Redcarpet before version 3.5.1 存在注入漏洞，该漏洞源于在处理引号时不会执行HTML转义。
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
vmg redcarpet < 3.5.1 -

II. Public POCs for CVE-2020-26298

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III. Intelligence Information for CVE-2020-26298

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Patches & Fixes for CVE-2020-26298 (1)

Vendor Advisories for CVE-2020-26298 (1)

Mailing List Discussions for CVE-2020-26298 (4)

Other References for CVE-2020-26298 (3)

IV. Related Vulnerabilities

Same weakness: CWE-74