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TI-2023-03259 Aliases CVE-2023-3491GHSA-99qp-9hmr-6jgh

Unrestricted Upload of File with Dangerous Type in fossbilling/fossbilling

Priority HIGH 73CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00889 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed fossbilling/fossbilling (fossbilling): 0.5.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FOSSBillingfossbilling/fossbillingbefore 0.5.30.5.3Patch availableCNA
  • fossbilling/fossbilling VendorFOSSBilling Affected before 0.5.3 Fixed in 0.5.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fossbilling:fossbilling:*:*:*:*:*:*:*:*before 0.5.3VulnerableFOSSBilling
  • cpe:2.3:a:fossbilling:fossbilling:*:*:*:*:*:*:*:* Versions before 0.5.3 Vulnerable ·FOSSBilling

Remediation

  • Fix · CNA fossbilling/fossbilling (fossbilling) Fixed in 0.5.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    fossbilling/fossbilling 0.5.3

    3 records Highest priority Priority HIGH 3 HIGH

    Other records, highest priority first

    • TI-2023-03258 SQL Injection in fossbilling/fossbillingPriority HIGH 82
    • TI-2023-03261 Improper Neutralization of Formula Elements in a CSV File in fossbilling/fossbillingPriority HIGH 70
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3491
  2. 2026-10-03 Alias added: GHSA-99qp-9hmr-6jgh

References

Exploit 1

Patch 1

  • TI-2023-03258 SQL Injection in fossbilling/fossbilling CVSS 3.1CRITICAL 9.8
  • TI-2023-03719 Insufficient Session Expiration in fossbilling/fossbilling CVSS 3.1CRITICAL 9.8
  • TI-2023-03261 Improper Neutralization of Formula Elements in a CSV File in fossbilling/fossbilling CVSS 3.1HIGH 8.0
  • TI-2023-03173 Code Injection in fossbilling/fossbilling CVSS 3.1HIGH 7.2
  • TI-2023-03330 Open Redirect in alextselegidis/easyappointments CVSS 3.1MEDIUM 6.3
  • TI-2023-03286 Cross-site Scripting (XSS) - Reflected in fossbilling/fossbilling CVSS 3.1MEDIUM 6.1
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences