N-day is Becoming N-Hour. Patching Faster Won't Save You.

Every patch is a confession. The moment a vendor ships a security fix, the diff between the old code and the new code tells anyone watching exactly what was broken and where. Turn that diff back into a working exploit, and you can hit every system that hasn't updated yet. This is N-day...

CVE-2025-53631

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...

CVE-2025-53631

FlaskBlog vulnerability CVE-2025-53631 affects FlaskBlog versions prior to 2.8.1. Root cause: improper sanitization of postContent submitted to /createpost, enabling arbitrary JavaScript execution (XSS) on all pages where the post is reflected (/, /post/[ID], /admin/posts, /user/[ID]). Impact is ...