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I. Basic Information for CVE-2025-53631
Vulnerability Information

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Vulnerability Title
flaskBlog XSS Vulnerability in postContent
Source: NVD (National Vulnerability Database)
Vulnerability Description
flaskBlog is a blog app built with Flask. In versions 2.8.1 and prior, improper sanitization of postContent when submitting POST requests to /createpost leads to arbitrary JavaScript execution (XSS) on all pages the post is reflected on including /, /post/[ID], /admin/posts, and /user/[ID] of the user that made the post. At time of publication, there are no public patches available.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
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
flaskBlog 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FlaskBlog是Doğukan Ürker个人开发者的一个使用 Flask 构建的简单博客应用程序。 flaskBlog 2.8.1及之前版本存在跨站脚本漏洞,该漏洞源于postContent清理不当,可能导致任意JavaScript执行。
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
DogukanUrkerflaskBlog <= 2.8.1 -
II. Public POCs for CVE-2025-53631
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III. Intelligence Information for CVE-2025-53631
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IV. Related Vulnerabilities
V. Comments for CVE-2025-53631

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