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Fencer Vulns
high 7.7

CVE-2023-3493 json

Improper Neutralization of Formula Elements in a CSV File in fossbilling/fossbilling

published 2023-06-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44152

cvss
7.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

Improper Neutralization of Formula Elements in a CSV File in GitHub repository fossbilling/fossbilling prior to 0.5.3.

Patch / fix

  • fossbilling fossbilling/fossbilling 0.5.3
  • fossbilling fossbilling 0.5.3

CISA SSVC

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

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.7 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
NVD 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

  • fossbilling fossbilling/fossbilling
  • fossbilling fossbilling

Classification

Weakness
  • CWE-1236 Improper Neutralization of Formula Elements in a CSV File

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.