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I. Basic Information for CVE-2020-7776
Vulnerability Information

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Vulnerability Title
Cross-site Scripting (XSS)
Source: NVD (National Vulnerability Database)
Vulnerability Description
This affects the package phpoffice/phpspreadsheet from 0.0.0. The library is vulnerable to XSS when creating an html output from an excel file by adding a comment on any cell. The root cause of this issue is within the HTML writer where user comments are concatenated as part of link and this is returned as HTML. A fix for this issue is available on commit 0ed5b800be2136bcb8fa9c1bdf59abc957a98845/master branch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHPOffice PhpSpreadsheet 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHPOffice PhpSpreadsheet是一款用于读取和写入电子表格文件的PHP库。 phpoffice/phpspreadsheet 0.0.0版本存在安全漏洞,该漏洞源于从0.0.0影响包phpoffice phpspreadsheet。当通过在任何单元格上添加注释从excel文件创建html输出时,库容易受到XSS的攻击。这个问题的根本原因是在HTML编写器中,用户评论作为链接的一部分连接在一起,并以HTML的形式返回。
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
-phpoffice/phpspreadsheet 0.0.0 ~ unspecified -
II. Public POCs for CVE-2020-7776
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III. Intelligence Information for CVE-2020-7776
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IV. Related Vulnerabilities
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