CVE-2023-3491

Name: CVE-2023-3491
Creator: NVD / NIST
Published: 2023-06-30T22:15:10.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2023-3491 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Unrestricted Upload of File with Dangerous Type in GitHub repository fossbilling/fossbilling prior to 0.5.3.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

Unrestricted Upload of File with Dangerous Type in GitHub repository fossbilling/fossbilling prior to 0.5.3.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.74%

49.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Fossbilling	Fossbilling	< 0.5.3

References

https://github.com/fossbilling/fossbilling/commit/2ddb7438ee0d05f9a9d01555edcfed820960f114Patch
https://huntr.dev/bounties/043bd900-ac78-44d2-a340-84ddd0bc4a1dExploit, Patch, Third Party Advisory
https://github.com/fossbilling/fossbilling/commit/2ddb7438ee0d05f9a9d01555edcfed820960f114Patch
https://huntr.dev/bounties/043bd900-ac78-44d2-a340-84ddd0bc4a1dExploit, Patch, Third Party Advisory

Timeline

Published: Jun 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3491?

Unrestricted Upload of File with Dangerous Type in GitHub repository fossbilling/fossbilling prior to 0.5.3.

How severe is CVE-2023-3491?

CVE-2023-3491 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3491?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3491?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST