Cross-site Scripting Vulnerability in Broadcom Products
CVE-2026-3862

4.6MEDIUM

Key Information:

Vendor

Broadcom
Status
Siteminder
Vendor
CVE Published:
10 March 2026

What is CVE-2026-3862?

This vulnerability enables attackers to exploit the application by submitting specifically crafted input, which is then rendered unmodified in the web interface. The impact of this issue can lead to unauthorized script execution in the context of a user's session, providing adversaries opportunities to steal sensitive information or perform actions on behalf of the user.

Affected Version(s)

SiteMinder 12.9

SiteMinder 12.8.x

References

https://support.broadcom.com/web/ecx/support-content-noti...
vendor-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.