CVE-2021-44618
CRITICALnystudio107 seomatic < 3.4.12 - Server-Side Template Injection via Host Header
Title source: llmDescription
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
Patch, Third Party Advisory x_refsource_misc
https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469
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