Vulnerability · Published Mar 10, 2026 · Assigned by symantec
CVE-2026-3862Cross-Site Scripting Vulnerability in SiteMinder Administrative UI
Medium 4.6
In plain English
A medium-severity cross-site scripting in SiteMinder from Broadcom. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 4.0)4.6Medium
Exploit odds (30 days)0.2%top 86.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Cross-site Scripting (XSS) allows an attacker to submit specially crafted data to the application which is returned unaltered in the resulting web page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | SiteMinder | 12.912.8.x |
Weakness: CWE-79 · 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