Security readout for executives and security teams
This is an old Horde-IMP webmail issue where a malicious email could run script in a user’s browser if viewed through the inline MIME viewer with Internet Explorer. Business urgency depends on whether any legacy Horde-IMP 3.2.4 or earlier systems still exist and are reachable. Exposure is most likely in legacy Horde-IMP webmail deployments running version 3.2.4 or earlier, especially where users can access the service with Internet Explorer and view inline MIME email content. Treat this as a legacy exposure cleanup item unless a live Horde-IMP 3.2.4-or-earlier service is found. If present on an internet-facing or business-critical mail system, prioritize remediation because email-delivered XSS can affect user sessions and trust in webmail. Mitigation focus: Inventory any Horde-IMP deployments and confirm whether versions are 3.2.4 or earlier.; Review Horde and Gentoo advisories for fixed package or upgrade guidance.; Retire or isolate unsupported Horde-IMP instances if vendor guidance is unavailable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2004-1443 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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-html-viewer-xss(16866)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
