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TI-2023-04420 Aliases CVE-2023-4803GHSA-8h46-vgr3-9j7m

ITM Server Cross-site Scripting in WriteWindowTitle Endpoint

Priority LOW 22CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A reflected cross-site scripting vulnerability in the WriteWindowTitle endpoint of the Insider Threat Management (ITM) Server's web console could be used by an authenticated administrator to run arbitrary javascript within another web console administrator's browser. All versions prior to 7.14.3.69 are affected.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00351 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ProofpointITM Serverup to 7.14.3—No fix listedCNA
  • ITM Server VendorProofpoint Affected up to 7.14.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*before 7.14.3.69VulnerableProofpoint
  • cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:* Versions before 7.14.3.69 Vulnerable ·Proofpoint

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4803
  2. 2026-10-03 Alias added: GHSA-8h46-vgr3-9j7m

References

  • TI-2020-07138 rcdsvc in the Proofpoint Insider Threat Management Windows Agent (formerly ObserveIT… CVSS 3.1HIGH 8.8
  • TI-2021-09235 The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is missing an… CVSS 3.1HIGH 8.1
  • TI-2023-04418 ITM MacOS Agent Improper Certificate Validation CVSS 3.1HIGH 7.5
  • TI-2022-08988 Proofpoint Insider Threat Management Agent for Windows relies on an inherently dangerous… CVSS 3.1HIGH 7.8
  • TI-2021-05149 Insider Threat Management Windows Agent Local Privilege Escalation Vulnerability The… CVSS 3.1HIGH 7.8
  • TI-2021-09234 The Proofpoint Insider Threat Management Agents (formerly ObserveIT Agent) for MacOS and… CVSS 3.1HIGH 7.4
See all 11 →

Sources