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CVE-2020-26221— Stored Cross Site Scripting in touchbase.ai

Quick assessment

Affected
puncsky touchbase.ai
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.

Puncsky Touchbase.ai是Puncsky个人开发者的一个用于人际关系的 web 平台。 touchbase.ai 2.0之前版本存在跨站脚本漏洞，攻击者可利用该漏洞发送恶意JavaScript代码，从而劫持用户的cookie会话令牌，将用户重定向到恶意网页，并执行意外的浏览器操作。

CVSS 8.0 · High EPSS 0.62% · P47
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I. Basic Information for CVE-2020-26221

Vulnerability Information
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Vulnerability Title
Stored Cross Site Scripting in touchbase.ai
Source: CVE Program / CVE List V5
Vulnerability Description
touchbase.ai before version 2.0 is vulnerable to Cross-Site Scripting (XSS). The vulnerability allows an attacker to send malicious JavaScript code which could result in hijacking of the user's cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser action. The issue is patched in version 2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/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
Puncsky Touchbase.ai 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Puncsky Touchbase.ai是Puncsky个人开发者的一个用于人际关系的 web 平台。 touchbase.ai 2.0之前版本存在跨站脚本漏洞，攻击者可利用该漏洞发送恶意JavaScript代码，从而劫持用户的cookie会话令牌，将用户重定向到恶意网页，并执行意外的浏览器操作。
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
puncsky touchbase.ai < 2.0 -

II. Public POCs for CVE-2020-26221

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III. Intelligence Information for CVE-2020-26221

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Vendor Advisories for CVE-2020-26221 (1)

Same Patch Batch · puncsky · 2020-11-11 · 4 CVEs total

CVE-2020-26218 8.0 HIGH HTML Injection in touchbase.ai
CVE-2020-26219 4.7 MEDIUM Open Redirect in touchbase.ai
CVE-2020-26220 3.5 LOW Information exposure in touchbase.ai

IV. Related Vulnerabilities

Same product: touchbase.ai
Same vendor: puncsky
Same weakness: CWE-79

V. Comments for CVE-2020-26221

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