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Vulnerability record · CVE-2005-4080 · published 8 December 2005

CVE-2005-4080: Horde imp vulnerability

Horde · Imp

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.

4.3 CVSS 2.0 Medium EPSS 2.4% · top 16.5%
4.3CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/17910
http://securityreason.com/securityalert/232
http://securitytracker.com/id?1015315
http://www.securityfocus.com/archive/1/418734/100/0/threaded
http://www.securityfocus.com/bid/15730/ Exploit
http://www.vupen.com/english/advisories/2005/2773
https://exchange.xforce.ibmcloud.com/vulnerabilities/23465
http://secunia.com/advisories/17910
http://securityreason.com/securityalert/232
http://securitytracker.com/id?1015315
http://www.securityfocus.com/archive/1/418734/100/0/threaded
http://www.securityfocus.com/bid/15730/ Exploit
http://www.vupen.com/english/advisories/2005/2773
https://exchange.xforce.ibmcloud.com/vulnerabilities/23465

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2005-4080), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.