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HIGH

CVE-2023-23328

CVSS v3

8.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2023-03-10

Frequently asked questions

What is 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 uploading a specially crafted PHP file.

Is CVE-2023-23328 actively exploited?

Active exploitation of CVE-2023-23328 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-23328?

CVE-2023-23328 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2023-23328 affecting your environment?

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