CVE-2025-53631 flaskBlog XSS Vulnerability in postContent

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...

PT-2025-33302 · Flaskblog · Flaskblog

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...