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Fencer Intel
medium 4.3

CVE-2012-4259 json

Cross-site scripting (XSS) vulnerability in the contacts in (1) XPhone UC Web and the (2) web frontend for XPhone Virtual Directory in C4B…

published 2012-08-13 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4203

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in the contacts in (1) XPhone UC Web and the (2) web frontend for XPhone Virtual Directory in C4B XPhone Unified Communications (UC) 2011 Web 4.1.890S R1 allows remote attackers to inject arbitrary web script or HTML via the company name. NOTE: some of these details are obtained from third party information.

Timeline

  1. First public exploit (EDB-18802)
  2. Published

Exploit prediction

1.90% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-18802 C4B XPhone UC Web 4.1.890S R1 - Cross-Site Scripting webapps, 2012-04-30
  • securityfocus.com http://www.securityfocus.com/bid/53283 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2012-04/0216.html referenced PoC, tagged "exploit" by a source, unverified
  • security.inshell.net http://security.inshell.net/advisory/16 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.