How severe is CVE-2008-4447?

CVE-2008-4447 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-4447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4447?

CVE-2008-4447 affects Positive Software H-sphere. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4447?

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

When was CVE-2008-4447 published?

CVE-2008-4447 was published on 2008-10-06 and last updated on 2026-06-16.

CVE-2008-4447

CVE-2008-4447 is a medium-severity vulnerability in Positive Software H-sphere 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: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Positive Software H-sphere
Published: 2008-10-06
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in actions.php in Positive Software H-Sphere WebShell 4.3.10 allows remote attackers to inject arbitrary web script or HTML via (1) the fn parameter during a dload action, (2) the mask parameter during a search action, and (3) the tab parameter during a sysinfo action.

Frequently asked questions

What is CVE-2008-4447?: Cross-site scripting (XSS) vulnerability in actions.php in Positive Software H-Sphere WebShell 4.3.10 allows remote attackers to inject arbitrary web script or HTML via (1) the fn parameter during a dload action, (2) the mask parameter during a search action, and (3) the tab parameter during a sysinfo action.
How severe is CVE-2008-4447?: CVE-2008-4447 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-4447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4447?: CVE-2008-4447 affects Positive Software H-sphere. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4447 published?: CVE-2008-4447 was published on 2008-10-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:positive_software:h-sphere:4.3.10:*:*:*:*:*:*:*

More vulnerabilities in Positive Software H-sphere

CVE-2008-1049 — Critical (CVSS 10.0): Unspecified vulnerability in Parallels SiteStudio before 1.7.2, and 1.8.x before 1.8b, as used in Parallels H-Sphere…
CVE-2003-1248 — High (CVSS 7.5): H-Sphere WebShell 2.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) mode…
CVE-2003-1247 — High (CVSS 7.5): Multiple buffer overflows in H-Sphere WebShell 2.3 allow remote attackers to execute arbitrary code via (1) a long URL…
CVE-2008-4448 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in actions.php in Positive Software H-Sphere WebShell 4.3.10 allows…
CVE-2006-6382 — Medium (CVSS 6.8): The control panel for Positive Software H-Sphere before 2.5.0 RC3 creates log files in a user's directory with insecure…
CVE-2006-0193 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the Hosting Control Panel (psoft.hsphere.CP) in Positive Software H-Sphere…

All CVEs affecting Positive Software H-sphere →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →