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.
References (2)
Core 2
Core References
Vendor Advisory
http://avantfax.com
Exploit, Third Party Advisory
https://github.com/superkojiman/vulnerabilities/blob/master/AvantFAX-3.3.7/README.md
Scores
CVSS v3
5.4
EPSS
0.0075
EPSS Percentile
73.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
avantfax/avantfax
3.3.7
Published
Mar 10, 2023
Tracked Since
Feb 18, 2026