CVE-2026-40451 MEDIUM

CVE-2026-40451

Vendor Deepl
Product Chrome browser extension
Weakness CWE-79 · XSS
Published April 22, 2026
Last update April 22, 2026

CVSS base score

6.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

DeepL Chrome browser extension versions from v1.22.0 to v.1.23.0 contain a cross-site scripting vulnerability, which allows an attacker to execute arbitrary script in a user's browser, and inject malicious HTML into web pages viewed by the user.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 22, 2026 Record updated

Related vulnerabilities

04Related CVE