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Fencer Vulns
medium 4.3

CVE-2008-4447 json

Cross-site scripting (XSS) vulnerability in actions.php in Positive Software H-Sphere WebShell 4.3.10 allows remote attackers to inject arb…

published 2008-10-06 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4428

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-32449)
  2. Published

Exploit prediction

1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-32449 H-Sphere WebShell 4.3.10 - 'actions.php' Multiple Cross-Site Scripting Vulnerabilities webapps, 2008-10-01
  • packetstormsecurity.org http://packetstormsecurity.org/0810-exploits/webshell431-xssxsrf.txt referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/31524 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.