CVE-2026-3862 PUBLISHED

Cross-Site Scripting Vulnerability in SiteMinder Administrative UI

Assigner: symantec
Reserved: 10.03.2026 Published: 10.03.2026 Updated: 10.03.2026

Cross-site Scripting (XSS) allows an attacker to submit specially crafted data to the application which is returned unaltered in the resulting web page.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/R:A/RE:M/U:Green
CVSS Score: 4.6

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

CVSS 4.0

Product Status

Vendor	Broadcom
Product	SiteMinder
Versions	Default: unaffected Version 12.9 is affected Version 12.8.x is affected

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37176

Impacts

CAPEC-63 Cross-Site Scripting (XSS)