CVE-2024-4023 — HIGH (8.1) — White Hats Nepal

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.

CVSS Score

8.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Flatpress	Flatpress	1.3

Related Weaknesses (CWE)

CWE-79

References

https://github.com/flatpressblog/flatpress/commit/3c9cc69364a45fd3f92d4bd606344bPatch
https://huntr.com/bounties/ed803c13-0858-4c22-93ba-bf2384ab1e9dExploitThird Party Advisory

FAQ

What is CVE-2024-4023?

CVE-2024-4023 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 respond...

How severe is CVE-2024-4023?

CVE-2024-4023 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-4023?

Check the references section above for vendor advisories and patch information. Affected products include: Flatpress Flatpress.