Skip to content
Fencer Vulns
medium 4.3

CVE-2005-4080 json

Horde IMP 4.0.4 and earlier does not sanitize strings containing UTF16 null characters, which allows remote attackers to conduct cross-site…

published 2005-12-08 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4075

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
1
Exploit-DB

Summary

Horde IMP 4.0.4 and earlier does not sanitize strings containing UTF16 null characters, which allows remote attackers to conduct cross-site scripting (XSS) attacks via UTF16 encoded attachments and strings that will be executed when viewed using Internet Explorer, which ignores the characters.

Timeline

  1. First public exploit (EDB-26741)
  2. Published

Exploit prediction

2.40% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26741 Horde IMP 2.2.x/3.2.x/4.0.x - Email Attachments HTML Injection remote, 2005-12-06
  • securityfocus.com http://www.securityfocus.com/bid/15730/ 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

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.