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CVE-2021-20683

Quick assessment

Affected
baserCMS Users Community baserCMS
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.

baserCMS是baserCMS（Basercms）团队的一套企业级内容管理系统（CMS）。 baserCMS versions prior to 4.4.5 存在安全漏洞，该漏洞源于博客文章编辑功能中对JavaScript输入不恰当，攻击者可利用该漏洞可以通过未指定的向量注入任意脚本。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.73% · P52
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I. Basic Information for CVE-2021-20683

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of JavaScript input in the blog article editing function of baserCMS versions prior to 4.4.5 allows remote authenticated attackers to inject an arbitrary script via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
baserCMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
baserCMS是baserCMS（Basercms）团队的一套企业级内容管理系统（CMS）。 baserCMS versions prior to 4.4.5 存在安全漏洞，该漏洞源于博客文章编辑功能中对JavaScript输入不恰当，攻击者可利用该漏洞可以通过未指定的向量注入任意脚本。
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
baserCMS Users Community baserCMS versions prior to 4.4.5 -

II. Public POCs for CVE-2021-20683

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20683

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Vendor Advisories for CVE-2021-20683 (1)

Other References for CVE-2021-20683 (1)

Same Patch Batch · baserCMS Users Community · 2021-03-26 · 3 CVEs total

CVE-2021-20681 baserCMS 跨站脚本漏洞
CVE-2021-20682 baserCMS 操作系统命令注入漏洞

IV. Related Vulnerabilities

Same product: baserCMS
Same vendor: baserCMS Users Community

V. Comments for CVE-2021-20683

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