CVE-2023-23326

Name: CVE-2023-23326
Creator: NVD / NIST
Published: 2023-03-10T22:15:10.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2023-23326 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A Stored Cross-Site Scripting (XSS) vulnerability exists in AvantFAX 3.3.7. An authenticated low privilege user can inject arbitrary Javascript into their e-mail address which is executed when an administrator logs into AvantFAX to view the admin dashboard. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

A Stored Cross-Site Scripting (XSS) vulnerability exists in AvantFAX 3.3.7. An authenticated low privilege user can inject arbitrary Javascript into their e-mail address which is executed when an administrator logs into AvantFAX to view the admin dashboard. This may result in stealing an administrator's session cookie and hijacking their session.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.52%

40.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Avantfax	Avantfax	3.3.7

References

http://avantfax.comVendor Advisory
https://github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.mdExploit, Third Party Advisory
http://avantfax.comVendor Advisory
https://github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.mdExploit, Third Party Advisory

Timeline

Published: Mar 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-23326?

How severe is CVE-2023-23326?

CVE-2023-23326 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23326?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23326?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST