CVE-2005-4080

mediumpriority · track · 28EPSS 0.024 · 84 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

2.40% (84th) EPSS

CVSS 4.3 · medium

Is it mine?

26 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.03.9lowAV:N/AC:M/Au:N/C:N/I:P/A:N/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-116USLLM-inferredCWE-79USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-26741Horde IMP 2.2.x/3.2.x/4.0.x - Email Attachments HTML Injectionfunctional · exploit_db

affected products (26)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
horde imp= 2.0nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.1nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.2nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.3nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.4nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.5nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.6nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.7nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.2.8nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 2.3nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.0nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.1nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.1.2nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.2nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.2.1nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.2.2nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.2.3nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*
horde imp= 3.2.4nvdUScpe:2.3:a:horde:imp:*:*:*:*:*:*:*:*

showing 20 of 26

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2005-12-08modified 2026-06-16

references (14)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan