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.

INFO

Published Date :

2025-08-14T15:26:32.758Z

Last Modified :

2025-08-14T15:43:29.962Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2025-53631 vulnerability.

Vendors Products
Dogukanurker
  • Flaskblog
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-53631.

URL Resource
https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-cj43-h8qf-7rw7 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability