CVE-2024-4023 - CVE House
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Status published High CVE-2024-4023

Stored XSS in flatpressblog/flatpress

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

flatpressblog

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Affected Software

flatpressblog/flatpress
Vulnerable Versions:
unspecified

Timeline

Official Publish: March 20th, 2025
Last Modified: March 20th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Weaknesses (CWE)