CVE-2026-113690 PUBLISHED

Stored Cross-Site Scripting in BMC ITSM Attachments

Assigner: NCSC
Reserved: 20.10.2026 Published: 29.10.2026 Updated: 29.10.2026

Stored cross-site scripting in the SmartIT attachment feature of BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 allows authenticated users to execute uploaded script content in other users' browsers.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 4.8

An authenticated user can upload the content; another user must actively open the affected attachment.

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Active

An authenticated user can upload the content; another user must actively open the affected attachment.

CVSS 4.0

Product Status

Vendor	BMC
Product	BMC IT Service Management Suite
Versions	Default: unknown Version 25.3.01 is affected Version 25.3.01 hotfix 10 is unaffected Version 25.4.01 is affected Version 25.4.01 hotfix 22 is unaffected Version 26.1.01 is affected Version 26.1.01 hotfix 12 is unaffected

Solutions

Apply BMC IT Service Management Suite 25.3.01 hotfix 10, 25.4.01 hotfix 22, or 26.1.01 hotfix 12, as applicable.

Credits

Justin HOCQUEL, NCSC finder

References

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE