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TI-2016-04599 Aliases CVE-2016-5303GHSA-6mv9-x42q-f8qh

Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware…

Priority LOW 30CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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

Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute.

Why it matters now

EPSS 0.01509 74th percentileScored 2026-11-07
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 · 2

CPEVersionsRoleVendor
cpe:2.3:a:horde:groupware:5.2.15:*:*:*:*:*:*:*5.2.15VulnerableHorde
cpe:2.3:a:horde:groupware:5.2.15:*:*:*:webmail:*:*:*5.2.15VulnerableHorde
  • cpe:2.3:a:horde:groupware:5.2.15:*:*:*:*:*:*:* Versions 5.2.15 Vulnerable ·Horde
  • cpe:2.3:a:horde:groupware:5.2.15:*:*:*:webmail:*:*:* Versions 5.2.15 Vulnerable ·Horde

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-5303
  2. 2026-10-03 Alias added: GHSA-6mv9-x42q-f8qh

References

  • 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