Vulnerability CVE-2019-20768
Published: 2020-05-05   Modified: 2020-05-06

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Servicenow -> It service management 

 References:
https://outpost24.com/blog/Responsible-disclosure-Multiple-stored-XSS-vulnerabilities-discovered-in-ServiceNow-ITSM
https://outpost24.com/blog?tags=307
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