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CVE-2025-27380

HTML Injection Leading to Script Execution in Altium Enterprise Server

HIGH
7.6
CVSS Score
Published: January 22, 2026 at 01:28 AM UTC
Updated: June 17, 2026 at 09:03 AM UTC
1 product affected across 1 vendorOn Prem Enterprise Server

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Severity
HIGH7.6
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

On Prem Enterprise Server· Altium
95%
7.0.3 ≤ v ≤ 7.0.57.0.3 ≤ v < 7.0.67.0.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.6HIGHAltium
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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