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CVE-2026-40451: Improper Neutralization of Input During Web Page Generation

🗓️ 22 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 1 Views

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.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40451
22 Apr 202604:28
attackerkb
circl
Circl
CVE-2026-40451
21 Apr 202620:00
circl
cnnvd
CNNVD
DeepL for Chrome 跨站脚本漏洞
22 Apr 202600:00
cnnvd
cve
CVE
CVE-2026-40451
22 Apr 202604:28
cve
cvelist
Cvelist
CVE-2026-40451
22 Apr 202604:28
cvelist
euvd
EUVD
EUVD-2026-24605
22 Apr 202604:28
euvd
jvn
Japan Vulnerability Notes
DeepL Chrome browser extension vulnerable to cross-site scripting
22 Apr 202606:45
jvn
nvd
NVD
CVE-2026-40451
22 Apr 202605:16
nvd
ptsecurity
Positive Technologies
PT-2026-34249
22 Apr 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-40451
5 Jun 202619:26
redhatcve
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16 Jun 2026 00:00Current
CVSS 45.1
CVSS 36.1
EPSS0.00168
SSVC
1