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CVE-2021-32855— vditor vulnerable to Cross-site Scripting

Quick assessment

Affected
npm vditor
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.

Vditor是Vanessa219个人开发者的一款浏览器端的 Markdown 编辑器。 Vditor 3.8.7之前版本存在安全漏洞，该漏洞源于存在跨站脚本(XSS)漏洞。

CVSS 6.1 · Medium EPSS 0.58% · P46
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I. Basic Information for CVE-2021-32855

Vulnerability Information
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Vulnerability Title
vditor vulnerable to Cross-site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
Vditor is a browser-side Markdown editor. Versions prior to 3.8.7 are vulnerable to copy-paste cross-site scripting (XSS). For this particular type of XSS, the victim needs to be fooled into copying a malicious payload into the text editor. Version 3.8.7 contains a patch for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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
Vditor 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vditor是Vanessa219个人开发者的一款浏览器端的 Markdown 编辑器。 Vditor 3.8.7之前版本存在安全漏洞，该漏洞源于存在跨站脚本(XSS)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
npm vditor 3.8.7 ~ 3.8.7 -

II. Public POCs for CVE-2021-32855

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III. Intelligence Information for CVE-2021-32855

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Patches & Fixes for CVE-2021-32855 (1)

Other References for CVE-2021-32855 (2)

Same Patch Batch · npm · 2023-02-20 · 6 CVEs total

CVE-2021-32850 6.1 MEDIUM jQuery MiniColors vulnerable to Cross-site Scripting
CVE-2021-32851 6.1 MEDIUM jQuery MiniColors vulnerable to Cross-site Scripting
CVE-2021-32853 6.1 MEDIUM Erxes vulnerable to Cross-site Scripting
CVE-2021-32854 6.1 MEDIUM textAngular text editor vulnerable to Cross-site Scripting
CVE-2021-32860 6.1 MEDIUM iziModal vulnerable to Cross-site Scripting

IV. Related Vulnerabilities

Same vendor: npm
Same weakness: CWE-79

V. Comments for CVE-2021-32855

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