CVE-2023-23328

HIGH 8.8EPSS 1.0%

A File Upload vulnerability exists in AvantFAX 3.3.7. An authenticated user can bypass PHP file type validation in FileUpload.php by uploading a specially crafted PHP file.

CVSS v3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.01% chance of exploitation in the next 30 days, 61th percentile
Published: 2023-03-10
Updated: 2026-07-09

Proof-of-concept exploits (1)

superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.md

References

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