Flaskblog · Flaskblog · CVE-2025-53631
Name of the Vulnerable Software and Affected Versions:
flaskBlog versions prior to 2.8.1
Description:
flaskBlog is a blog application built with Flask. Improper sanitization of the `postContent` parameter when submitting POST requests to the `/createpost` API endpoint leads to arbitrary JavaScript execution (XSS) on multiple pages, including /, /post/[ID], /admin/posts, and /user/[ID] of the user that made the post.
Recommendations:
At the moment, there is no information about a newer version that contains a fix for this vulnerability.