CVE-2026-40451

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.1 / 10

Vector String

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

Vulnerability Description

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.

Vulnerability Details

Published Date

April 22, 2026

Last Modified

April 22, 2026

CWE ID

CWE-79

Source

NVD

Vendor

DeepL

Product

Chrome browser extension

External References

https://github.com/DeepLcom/deepl-chrome-extension/security/advisories/GHSA-4x2r-q3p9-xhx4
https://jvn.jp/en/jp/JVN37524771/

CVE-2026-40451

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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