How severe is CVE-2011-4836?

CVE-2011-4836 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4836?

CVE-2011-4836 affects Homeseer Homeseer Hs2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4836?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4836 published?

CVE-2011-4836 was published on 2011-12-15 and last updated on 2026-06-16.

CVE-2011-4836

CVE-2011-4836 is a medium-severity vulnerability in Homeseer Homeseer Hs2 with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Homeseer Homeseer Hs2
Published: 2011-12-15
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2011-4836?: 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.
How severe is CVE-2011-4836?: CVE-2011-4836 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4836?: CVE-2011-4836 affects Homeseer Homeseer Hs2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4836 published?: CVE-2011-4836 was published on 2011-12-15 and last updated on 2026-06-16.

References

http://www.kb.cert.org/vuls/id/796883

Affected products (1)

cpe:2.3:a:homeseer:homeseer_hs2:2.5.0.20:*:*:*:*:*:*:*

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CVE-2011-4835 — High (CVSS 7.5): Directory traversal vulnerability in the web interface in HomeSeer HS2 2.5.0.20 allows remote attackers to access…
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