CVE-2022-39048 Cross-Site Scripting (XSS) vulnerability in ServiceNow UI page assessment_redirect

Medium 6.1 Published 10 Apr 2023 Updated 7 Feb 2025

An attacker can execute arbitrary scripts in an authenticated user's browser via a crafted URL, potentially stealing sessions or tokens.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-39048?

CVE-2022-39048 is a medium-severity cross-site scripting vulnerability in Servicenow Now Platform, published on 10 Apr 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A XSS vulnerability was identified in the ServiceNow UI page assessment_redirect. To exploit this vulnerability, an attacker would need to persuade an authenticated user to click a maliciously crafted URL. Successful exploitation potentially could be used to conduct various client-side attacks, including, but not limited to, phishing, redirection, theft of CSRF tokens, and use of an authenticated user's browser or session to attack other systems.

Weakness: CWE-79

Which versions are affected by CVE-2022-39048?

It affects 1 product.

Products include Servicenow Servicenow.

How do I fix CVE-2022-39048?

No fix has been published for CVE-2022-39048 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-39048 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-39048 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-48vw-436h-p87m.