What’s Vulnerable › Vulnerabilities

CVE-2019-20768

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-05 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• ServiceNow It Service Management: kingston, kingston-patch_1, kingston-patch_10, kingston-patch_10-1, kingston-patch_10-2, kingston-patch_11 (+60)

References

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

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