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CVE-2020-26296— XSS in Vega

Quick assessment

Affected
vega vega
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.

Vega是Vega团队的一个基于Javscript可用来创建交互式可视化展示的软件。该软件可使用JSON格式描述数据可视化，并使用HTML5 Canvas或SVG生成交互式视图。 Vega 5.17.3之前版本存在跨站脚本漏洞，该漏洞源于通过一个特别制作的Vega表达式，攻击者可利用该漏洞可以在受害者的机器上执行任意javascript。

CVSS 8.7 · High EPSS 1.69% · P75

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2020-26296

Vulnerability Information
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Vulnerability Title
XSS in Vega
Source: CVE Program / CVE List V5
Vulnerability Description
Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. Vega in an npm package. In Vega before version 5.17.3 there is an XSS vulnerability in Vega expressions. Through a specially crafted Vega expression, an attacker could execute arbitrary javascript on a victim's machine. This is fixed in version 5.17.3
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Vega 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vega是Vega团队的一个基于Javscript可用来创建交互式可视化展示的软件。该软件可使用JSON格式描述数据可视化，并使用HTML5 Canvas或SVG生成交互式视图。 Vega 5.17.3之前版本存在跨站脚本漏洞，该漏洞源于通过一个特别制作的Vega表达式，攻击者可利用该漏洞可以在受害者的机器上执行任意javascript。
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
vega vega < 5.17.3 -

II. Public POCs for CVE-2020-26296

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III. Intelligence Information for CVE-2020-26296

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Patches & Fixes for CVE-2020-26296 (1)

Vendor Advisories for CVE-2020-26296 (1)

Other References for CVE-2020-26296 (3)

IV. Related Vulnerabilities

Same product: vega
Same vendor: vega
Same weakness: CWE-79

V. Comments for CVE-2020-26296

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