CVE-2024-4023

Stored XSS in flatpressblog/flatpress

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.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
EPSS 0.05%
Affected: flatpressblog flatpressblog/flatpress
Published at:
Updated at:

References

Link Tags
https://huntr.com/bounties/ed803c13-0858-4c22-93ba-bf2384ab1e9d
https://github.com/flatpressblog/flatpress/commit/3c9cc69364a45fd3f92d4bd606344b5dd1205d6a

Frequently Asked Questions

What is the severity of CVE-2024-4023?
CVE-2024-4023 has been scored as a high severity vulnerability.
How to fix CVE-2024-4023?
To fix CVE-2024-4023, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-4023 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-4023 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-4023?
CVE-2024-4023 affects flatpressblog flatpressblog/flatpress.
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