CVE-2021-44618: A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.

PriorityP352critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.34%

67.8th percentile

A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
nystudio107	craft-seomatic	>= 0 < 3.4.12	3.4.12
nystudio107	seomatic	—	—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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