Security Advisory

CVE-2024-4023

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-03-20 10:09:54

Last updated 2025-03-20 18:33:07

Assigner @huntr_ai

State PUBLISHED

Description

A stored cross-site scripting (XSS) vulnerability exists in flatpressblog/flatpress version 1.3. When a user uploads a file with a `.xsig` extension and directly accesses this file, the server responds with a Content-type of application/octet-stream, leading to the file being processed as an HTML file. This allows an attacker to execute arbitrary JavaScript code, which can be used to steal user cookies, perform HTTP requests, and access content of the same origin.

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