Security readout for executives and security teams
This is an old cross-site scripting issue in Horde IMP webmail. A maliciously named attachment could cause script or HTML to run in the dynamic compose view. For executives, the main risk is user mailbox compromise or session abuse in legacy webmail still running affected versions. Exposure is limited to organizations still operating Horde IMP before 5.0.24 or Horde Groupware Webmail Edition before 4.0.9. The most likely cases are legacy self-hosted webmail systems or older distribution packages that were never upgraded. Treat as a targeted legacy-webmail risk. It is not supported as actively exploited in the provided evidence, but exposed outdated webmail is high-value. Patch or retire affected systems during the next security maintenance window. Mitigation focus: Upgrade Horde IMP to 5.0.24 or later where applicable.; Upgrade Horde Groupware Webmail Edition to 4.0.9 or later where applicable.; Apply relevant operating-system vendor packages, such as distribution security updates..
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-2012-5565 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
- https://github.com/horde/horde/commit/1550c6ecd7204f9579fcbb09ec7089e01b0771e2CVE reference · x_refsource_CONFIRM
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.
