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TI-2017-12447 Aliases CVE-2017-16906GHSA-8xmf-3fcj-f6cr

In Horde Groupware 5.2.19-5.2.22, there is XSS via the URL field in a "Calendar -> New Event" action.

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

In Horde Groupware 5.2.19-5.2.22, there is XSS via the URL field in a "Calendar -> New Event" action.

Why it matters now

EPSS 0.01086 65th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:horde:groupware:*:*:*:*:*:*:*:*5.2.19 – 5.2.22VulnerableHorde
  • cpe:2.3:a:horde:groupware:*:*:*:*:*:*:*:* Versions 5.2.19 – 5.2.22 Vulnerable ·Horde

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16906
  2. 2026-10-03 Alias added: GHSA-8xmf-3fcj-f6cr

References

Exploit 2

Patch 1

Other 1

  • TI-2020-06837 Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV… CVSS 3.1CRITICAL 9.8
  • TI-2022-12524 Horde Groupware Webmail Edition through 5.2.22 allows a reflection injection attack… CVSS 3.1HIGH 8.0
  • TI-2012-00202 Horde 3.3.12, Horde Groupware 1.2.10, and Horde Groupware Webmail Edition 1.2.10, as… CVSS 2.0HIGH 7.5
  • TI-2017-05066 In Horde_Crypt before 2.7.6, as used in Horde Groupware Webmail Edition through 5.2.17… CVSS 3.0HIGH 8.8
  • TI-2019-07239 Remote code execution was discovered in Horde Groupware Webmail 5.2.22 and 5.2.17. CVSS 3.1HIGH 8.8
  • TI-2008-06907 Horde Kronolith H3 2.1 before 2.1.7 and 2.2 before 2.2-RC2; Nag H3 2.1 before 2.1.4 and… CVSS 2.0HIGH 10.0
See all 45 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences