CVE-2011-4836

Exp

Cross-site scripting (XSS) vulnerability in the web interface in HomeSeer HS2 2.5.0.20 allows remote attackers to inject arbitrary web script or HTML via a request for a crafted URI.

Published: 2011-12-15 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4836 is rated Exploit Available (58.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.68%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-4836

EDB-ID Source Kind Published Link
36429 exploit_db edb 2011-12-08 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4836

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.06% 1.68% +0.62%
2 2026-04-03 1.32% 1.06% -0.27%
3 2026-01-19 1.32%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4836

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-4836

Affected software / configurations for CVE-2011-4836

Vendor Product Version Raw CPE
homeseer homeseer_hs2 2.5.0.20 cpe:2.3:a:homeseer:homeseer_hs2:2.5.0.20:*:*:*:*:*:*:*

References for CVE-2011-4836

URL Tags
http://www.kb.cert.org/vuls/id/796883 US Government Resource
cvelogic Threat Intelligence