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MEDIUM

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

Published Apr 22, 2026

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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner jpcert
Published Apr 22, 2026
Updated Apr 22, 2026
Reserved Apr 13, 2026
Link CVE-2026-40451
CISA Vulnrichment
Updated Apr 22, 2026
NVD
Status Deferred
Modified Jun 17, 2026
Link CVE-2026-40451
Red Hat
Severity n/a
Public date n/a
Links CVE-2026-40451