SB2023060715 - Stored cross-site scripting in Kiwi TCMS
Published: June 7, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2023-33977)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
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
- https://github.com/kiwitcms/Kiwi/commit/d789f4b51025de4f8c747c037d02e1b0da80b034
- https://github.com/kiwitcms/Kiwi/blob/master/etc/nginx.conf#L87
- https://github.com/kiwitcms/Kiwi/blob/master/etc/nginx.conf#L66-L68
- https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-2fqm-m4r2-fh98
- https://huntr.dev/bounties/6aea9a26-e29a-467b-aa5a-f767f0c2ec96/