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Fencer Intel
high 7.6

CVE-2025-27380 json

HTML Injection Leading to Script Execution in Altium Enterprise Server

published 9mo ago modified 4mo ago also EUVD-2026-4174

cvss
7.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

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.

Patch / fix

  • Altium AES 7.0.6

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
9mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Affected products

  • Altium AES

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.