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CVE-2021-20665

Quick assessment

Affected
Six Apart Ltd. Movable Type
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.

Six Apart Movable Type是美国Six Apart公司的一个应用系统。提供包含多用户，评论，引用(TrackBack)，主题等功能。 Movable Type 多款产品存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

AI Predicted 5.4 Difficulty: Easy EPSS 0.84% · P56

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-20665

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting vulnerability in in Add asset screen of Contents field of Movable Type 7 r.4705 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4705 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.39 and earlier, and Movable Type Premium Advanced 1.39 and earlier allows remote 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
Six Apart Movable Type 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Six Apart Movable Type是美国Six Apart公司的一个应用系统。提供包含多用户，评论，引用(TrackBack)，主题等功能。 Movable Type 多款产品存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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
Six Apart Ltd. Movable Type Movable Type 7 r.4705 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4705 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.39 and earlier, and Movable Type Premium Advanced 1.39 and earlier -

II. Public POCs for CVE-2021-20665

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20665

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Vendor Advisories for CVE-2021-20665 (1)

Other References for CVE-2021-20665 (1)

Same Patch Batch · Six Apart Ltd. · 2021-03-05 · 3 CVEs total

CVE-2021-20663 Six Apart Movable Type 跨站脚本漏洞
CVE-2021-20664 Six Apart Movable Type 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Movable Type
Same vendor: Six Apart Ltd.

V. Comments for CVE-2021-20665

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