Vulnerability · Published Jan 22, 2026 · Assigned by Altium

CVE-2025-27379Stored Cross-Site Scripting in AES BOM Viewer

Medium 6.8

In plain English

A medium-severity cross-site scripting in AES from Altium. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Altium AES 7.0.3 – through 7.0.5

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H

References