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I. Basic Information for CVE-2020-11055
Vulnerability Information

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Vulnerability Title
Cross-site Scripting in BookStack
Source: NVD (National Vulnerability Database)
Vulnerability Description
In BookStack greater than or equal to 0.18.0 and less than 0.29.2, there is an XSS vulnerability in comment creation. A user with permission to create comments could POST HTML directly to the system to be saved in a comment, which would then be executed/displayed to others users viewing the comment. Through this vulnerability custom JavaScript code could be injected and therefore ran on other user machines. This most impacts scenarios where not-trusted users are given permission to create comments. This has been fixed in 0.29.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
BookStack 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BookStack是一套开源的使用PHP和Laravel构建wiki文档的平台。 BookStack 0.18.0及之后版本(0.29.2版本已修复)中存在跨站脚本漏洞。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
VendorProductAffected VersionsCPESubscribe
BookStackAppBookStack >= 0.18.0, < 0.29.2 -
II. Public POCs for CVE-2020-11055
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III. Intelligence Information for CVE-2020-11055
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IV. Related Vulnerabilities
V. Comments for CVE-2020-11055

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