CVE WatchJul 9, 2026

CVE-2023-23328

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

CVSS

8.8

High

EPSS

1.0%

p59

KEV

—

Exploit Today

0-100

Published: Mar 10, 2023 · Last modified: Jul 9, 2026 · CWE-434

EPSS · 30d

1.0%EPSS · 30 days1.1%

2026-06-302026-07-16

Technical description

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.

Official references

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