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Fencer Intel
medium 4.3

CVE-2009-4458 json

Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.2 and 2.6.0rc2, and possibly other versions, allow remote attackers to i…

published 2009-12-30 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4425

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
3
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.2 and 2.6.0rc2, and possibly other versions, allow remote attackers to inject arbitrary web script or HTML via the (1) tech parameter to admin/admin/config.php during a trunks display action, the (2) description parameter during an Add Zap Channel action, and (3) unspecified vectors during an Add Recordings action.

Timeline

  1. First public exploit (EDB-10645)
  2. Published

Exploit prediction

1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-33443 FreePBX 2.5.2 - Zap Channel Addition Description Parameter Cross-Site Scripting webapps, 2009-12-28
  • EDB-33442 FreePBX 2.5.2 - '/admin/config.php?tech' Cross-Site Scripting webapps, 2009-12-28
  • EDB-10645 PBX Phone System 2.x - Multiple Vulnerabilities webapps, 2009-12-24
  • securityfocus.com http://www.securityfocus.com/bid/37482 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 Intel 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.