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Vulnerability record · CVE-2025-27380 · published 22 January 2026

CVE-2025-27380: Altium on-prem enterprise server cross-site scripting vulnerability

Altium · On Prem Enterprise Server

HTML injection in Project Release in Altium Enterprise Server (AES) 7.0.3 on all platforms allows an authenticated attacker to execute arbitrary JavaScript in the victim’s browser via crafted HTML content.

7.6 CVSS 3.1 High EPSS 0.27% · top 82.3% CWE-79 · Cross-site scripting
7.6CVSS 3.1 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

HTML injection in Project Release in Altium Enterprise Server (AES) 7.0.3 on all platforms allows an authenticated attacker to execute arbitrary JavaScript in the victim’s browser via crafted HTML content.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.altium.com/platform/security-compliance/security-advisories Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-27380), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.