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CVE-2021-3944— Cross-Site Request Forgery (CSRF) in bookstackapp/bookstack

Quick assessment

Affected
bookstackapp bookstackapp/bookstack
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.

BookStack是BookStackApp（Bookstackapp）团队的一套开源的使用PHP和Laravel构建wiki文档的平台。 bookstack 存在跨站请求伪造漏洞，该漏洞源于软件缺少对于跨站请求伪造的验证。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.62% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3944

Vulnerability Information
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Vulnerability Title
Cross-Site Request Forgery (CSRF) in bookstackapp/bookstack
Source: CVE Program / CVE List V5
Vulnerability Description
bookstack is vulnerable to Cross-Site Request Forgery (CSRF)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
BookStack 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BookStack是BookStackApp（Bookstackapp）团队的一套开源的使用PHP和Laravel构建wiki文档的平台。 bookstack 存在跨站请求伪造漏洞，该漏洞源于软件缺少对于跨站请求伪造的验证。
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
bookstackapp bookstackapp/bookstack unspecified ~ 21.11 -

II. Public POCs for CVE-2021-3944

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III. Intelligence Information for CVE-2021-3944

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Patches & Fixes for CVE-2021-3944 (1)

Vendor Advisories for CVE-2021-3944 (1)

IV. Related Vulnerabilities

Same product: bookstackapp/bookstack
Same vendor: bookstackapp
Same weakness: CWE-352

V. Comments for CVE-2021-3944

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