CVE-2021-44618

CRITICAL

nystudio107 seomatic < 3.4.12 - Server-Side Template Injection via Host Header

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12

Scores

CVSS v3 9.8
EPSS 0.0134
EPSS Percentile 67.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (2)
nystudio107/craft-seomatic 0 - 3.4.12Packagist
nystudio107/seomatic 3.4.12
Published Mar 11, 2022
Tracked Since Feb 18, 2026