CVE-2019-20768 Cross-site scripting in n/a
Attackers can inject malicious scripts into ServiceNow Incident Requests via crafted parameters, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-20768?
CVE-2019-20768 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
ServiceNow IT Service Management Kingston through Patch 14-1, London through Patch 7, and Madrid before patch 4 allow stored XSS via crafted sysparm_item_guid and sys_id parameters in an Incident Request to service_catalog.do.
Weakness: CWE-79
Which versions are affected by CVE-2019-20768?
It affects 1 product.
Products include Servicenow It Service Management.
How do I fix CVE-2019-20768?
No fix has been published for CVE-2019-20768 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-2019-20768 being exploited?
There is no known exploitation of CVE-2019-20768 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-pw7g-7762-p5qw.