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Fencer Vulns
high 8.0

CVE-2023-3393 json

Code Injection in fossbilling/fossbilling

published 2023-06-23 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44060

cvss
8.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

Code Injection in GitHub repository fossbilling/fossbilling prior to 0.5.1.

Patch / fix

  • fossbilling fossbilling/fossbilling 0.5.1
  • fossbilling fossbilling 0.5.1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/e4df9280-900a-407a-a07e-e7fef3345914 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.0 CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • fossbilling fossbilling/fossbilling
  • fossbilling fossbilling

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.