What’s Vulnerable › Vulnerabilities

CVE-2023-3491: Unrestricted Upload of File with Dangerous Type in fossbilling/fossbilling

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-30 · updated 2026-06-17
• Weakness: CWE-434

Description

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

Affected products

• FOSSBilling: before 0.5.3 — fixed in 0.5.3

How to fix

Upgrade to a fixed version: FOSSBilling 0.5.3. Check the vendor advisory for mitigations.

References

• https://github.com/fossbilling/fossbilling/commit/2ddb7438ee0d05f9a9d01555edcfed820960f114
• https://huntr.dev/bounties/043bd900-ac78-44d2-a340-84ddd0bc4a1d
• https://github.com/fossbilling/fossbilling/commit/2ddb7438ee0d05f9a9d01555edcfed820960f114
• https://huntr.dev/bounties/043bd900-ac78-44d2-a340-84ddd0bc4a1d

Get alerted when CVE-2023-3491 or the next vulnerability affects your stack