What’s Vulnerable › Vulnerabilities

CVE-2023-23328

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-10 · updated 2026-07-09
• Weakness: CWE-434

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.

Affected products

• Avantfax: 3.3.7

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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