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I. Basic Information for CVE-2021-29434
Vulnerability Information

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Vulnerability Title
Improper validation of URLs ('Cross-site Scripting') in Wagtail rich text fields
Source: NVD (National Vulnerability Database)
Vulnerability Description
Wagtail is a Django content management system. In affected versions of Wagtail, when saving the contents of a rich text field in the admin interface, Wagtail does not apply server-side checks to ensure that link URLs use a valid protocol. A malicious user with access to the admin interface could thus craft a POST request to publish content with `javascript:` URLs containing arbitrary code. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. See referenced GitHub advisory for additional details, including a workaround. Patched versions have been released as Wagtail 2.11.7 (for the LTS 2.11 branch) and Wagtail 2.12.4 (for the current 2.12 branch).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
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
Wagtail 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Torchbox Wagtail是英国Torchbox公司的一套开源的内容管理系统(CMS)。 Wagtail 存在安全漏洞,该漏洞源于Wagtail不会应用服务器端检查来确保链接url使用有效的协议。
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
wagtailwagtail <= 2.11.6 -
II. Public POCs for CVE-2021-29434
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III. Intelligence Information for CVE-2021-29434
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