title: Reflected XSS in graphs page of Zabbix Frontend
description: An authenticated user can create a link with reflected Javascript code inside it for the graphs page and send it to other users. The payload can be executed only with a known CSRF token value of the victim, which is changed periodically and is difficult to predict.
problem types: CWE-79 Cross-site Scripting (XSS)
affected:
{
vendor: Zabbix
product: Frontend
versions:
version: 4.0.0-4.0.42, status: affected
version: 5.0.0-5.0.24, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
baseScore: 3.7
baseSeverity: LOW
]
solutions: To remediate this vulnerability, apply the updates
workarounds: The vulnerability can be exploited only by authenticated users. If an immediate update is not possible, review user access rights to your Zabbix Frontend, be attentive to browser warnings and always check any links you can receive via email or other means of communication, which lead to the graphs.php page of Zabbix Frontend and contain suspicious parameters with special symbols. If you have clicked on the suspicious link, do not fill out the opened form