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TI-2025-20221 Aliases CVE-2025-27379GHSA-w5qj-7xqm-q39c

Stored Cross-Site Scripting in AES BOM Viewer

Priority LOW 29CWE-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 · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A stored cross-site scripting (XSS) vulnerability in the BOM Viewer in Altium AES 7.0.3 allows an authenticated attacker to inject arbitrary JavaScript into the Description field of a schematic, which is executed when the BOM Viewer renders the affected content.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00228 13th 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
AltiumAES7.0.3 – 7.0.5—No fix listedCNA
  • AES VendorAltium Affected 7.0.3 – 7.0.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:altium:on-prem_enterprise_server:*:*:*:*:*:*:*:*7.0.3 to before 7.0.6VulnerableAltium
  • cpe:2.3:a:altium:on-prem_enterprise_server:*:*:*:*:*:*:*:* Versions 7.0.3 to before 7.0.6 Vulnerable ·Altium

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-27379
  2. 2026-10-03 Alias added: GHSA-w5qj-7xqm-q39c

References

Advisory 1

  • TI-2026-09855 Path Traversal in Altium Enterprise Server NIS Allows Unauthenticated Arbitrary File Write and File Read CVSS 4.0CRITICAL 10.0
  • TI-2026-09854 Path Traversal in Altium Enterprise Server Vault UploadController Allows Arbitrary File Write CVSS 4.0CRITICAL 9.4
  • TI-2026-09851 Path traversal in Altium Enterprise Server CVSS 4.0CRITICAL 10.0
  • TI-2025-20220 SQL Injection in AES Due to Inactive SQL Parsing Configuration CVSS 3.1CRITICAL 9.8
  • TI-2026-00763 Stored Cross-Site Scripting in Altium Enterprise Server Workflow Engine Allows Privilege Escalation CVSS 3.1HIGH 8.0
  • TI-2025-20222 HTML Injection Leading to Script Execution in Altium Enterprise Server CVSS 3.1HIGH 7.6

Sources

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