What’s Vulnerable › Vulnerabilities

CVE-2023-3394: Session Fixation in fossbilling/fossbilling

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-23 · updated 2026-06-17
• Weakness: CWE-384

Description

Session Fixation in GitHub repository fossbilling/fossbilling prior to 0.5.1.

Affected products

• FOSSBilling: before 0.5.1 — fixed in 0.5.1

How to fix

Upgrade to a fixed version: FOSSBilling 0.5.1. Check the vendor advisory for mitigations.

References

• https://github.com/fossbilling/fossbilling/commit/b9c35a174750f1463aea86168524efce6cd48ef7
• https://huntr.dev/bounties/84bf3e85-cdeb-4b8d-9ea4-74156dbda83f
• https://github.com/fossbilling/fossbilling/commit/b9c35a174750f1463aea86168524efce6cd48ef7
• https://huntr.dev/bounties/84bf3e85-cdeb-4b8d-9ea4-74156dbda83f

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