Medium severity6.1NVD Advisory· Published Apr 22, 2026· Updated Jun 16, 2026

CVE-2026-40451

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

DeepLcom/Deepl Chrome Extensioninferred
Range: >=1.22.0,<1.23.0
DeepL/Chrome browser extensionllm-fuzzy
Range: >=1.22.0, <=1.23.0

Patches

Vulnerability mechanics

References

github.com/DeepLcom/deepl-chrome-extension/security/advisories/GHSA-4x2r-q3p9-xhx4nvd
jvn.jp/en/jp/JVN37524771/nvd

News mentions

No linked articles in our index yet.

cvss	0.397
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000