CVE-2023-23328

8.8 highEPSS 1.0%

High (8.8) in avantfax avantfax. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2023-03-10
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

avantfax:avantfax

References

https://github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.md
https://github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.md

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