CVE-2005-4080: n/a vulnerability

CVE-2005-4080: Horde IMP 4.0.4 and earlier does not sanitize strings containing UTF16 null characters, which allows remote...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 23:31 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2005-4080 is an old cross-site scripting issue in Horde IMP webmail. A malicious UTF-16 encoded attachment or string could execute script when viewed in Internet Explorer, because IE ignored embedded null characters. Business risk is mainly for organizations still running legacy Horde IMP 4.0.4 or earlier. Exposure is limited to legacy Horde IMP 4.0.4 or earlier deployments, especially where users view webmail content or attachments with Internet Explorer. Most modern environments are unlikely to be exposed unless old webmail infrastructure remains reachable. Treat as a legacy exposure cleanup item. Escalate if Horde IMP 4.0.4 or earlier is still internet-facing or used with Internet Explorer; otherwise track through normal vulnerability management. Mitigation focus: Inventory for Horde IMP 4.0.4 or earlier installations.; Check Horde or distribution guidance for the appropriate supported update path.; Retire or isolate unsupported legacy IMP webmail deployments..

Prepared: Jun 29, 2026, 16:03 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 8, 2005, 01:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
imp-email-attachment-xss(23465)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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