Cross-Site Scripting Vulnerability in SiteMinder Administrative UI
Priority LOW 21CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site Scripting (XSS) allows an attacker to submit specially crafted data to the application which is returned unaltered in the resulting web page.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00225 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Broadcom | SiteMinder | 12.9; 12.8.x | — | No fix listed | CNA |
- SiteMinder VendorBroadcom Affected 12.9; 12.8.x Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3862
- 2026-10-03 Alias added: GHSA-5p5r-v3f4-wcfv
References
More Broadcom Symantec Siteminder vulnerabilities
- TI-2005-04624 Netegrity SiteMinder Login smpwservicescgi.exe redirect CVSS 3.1MEDIUM 6.1
Sources
- CVE-2026-3862 · CVE Program
- CVE-2026-3862 · NVD
- FIRST EPSS
- GHSA-5p5r-v3f4-wcfv · GitHub Advisory Database · CC BY 4.0
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