SB2023041322 - Stored XSS in FortiWeb

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Main Vulnerability Database SB2023041322

SB2023041322 - Stored XSS in FortiWeb

Published: April 13, 2023

Security Bulletin ID SB2023041322
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Stored cross-site scripting (CVE-ID: CVE-2022-43955)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed by injecting malicious payload in log entries used to build report. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website when the victim views the generated attack report.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.

References