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CVE-2021-20664

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 6.1 Difficulty: Easy EPSS 0.84% · P56
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I. Basic Information for CVE-2021-20664

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting vulnerability in in Asset registration screen 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 6.7.5 and earlier (Movable Type 6.7 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 6.7.5 and earlier (Movable Type 6.7 Series), Movable Type Premium 1.39 and earlier, and Movable Type Premi -

II. Public POCs for CVE-2021-20664

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20664

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Vendor Advisories for CVE-2021-20664 (1)

Other References for CVE-2021-20664 (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-2021-20665 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-2021-20664

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