HTML Injection in Altium AES 7.0.3 Enables Cross-Site Scripting

Publication date: 2026-01-22

Last updated on: 2026-02-26

Assigner: Altium

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 Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-01-22

Last Modified

2026-02-26

Generated

2026-07-06

AI Q&A

2026-01-22

EPSS Evaluated

2026-07-05

NVD

CVE-2025-27380

EUVD

EUVD-2026-4174

Affected Vendors & Products

Vendor	Product	Version / Range
altium	on-prem_enterprise_server	From 7.0.3 (inc) to 7.0.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is an HTML injection issue in the Project Release component of Altium Enterprise Server (AES) version 7.0.3. It allows an authenticated attacker to inject crafted HTML content that executes arbitrary JavaScript in the victim's browser.

Impact Analysis

The vulnerability can lead to execution of arbitrary JavaScript in a victim's browser, potentially allowing attackers to perform actions such as stealing sensitive information, hijacking user sessions, or performing unauthorized actions on behalf of the user.

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