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CVE-2026-54390: Improper Neutralization of Special Elements Used in a Template Engine

🗓️ 18 Jun 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated server-side template injection in JTL Shop 5.2.0-5.7.1 via Smarty engine.

Related
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-54390
10 Jul 202610:55
–githubexploit
attackerkb
attackerkb
CVE-2026-54390
18 Jun 202617:33
–attackerkb
circl
Circl
CVE-2026-54390
18 Jun 202618:30
–circl
cve
CVE
CVE-2026-54390
18 Jun 202617:33
–cve
cvelist
Cvelist
CVE-2026-54390 JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer
18 Jun 202617:33
–cvelist
euvd
EUVD
EUVD-2026-37925
18 Jun 202617:33
–euvd
kitploit
Kitploit
CVE-2026-54390
22 Sep 202600:09
–kitploit
nvd
NVD
CVE-2026-54390
18 Jun 202618:16
–nvd
ptsecurity
Positive Technologies
PT-2026-50772
18 Jun 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-54390 JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer
18 Jun 202617:33
–vulnrichment

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23 Jun 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 49.3
CVSS 3.19.8
EPSS0.00604
SSVC
0