critical9.8
CVE-2021-44618
Server-side Template Injection in nystudio107/craft-seomatic
Impact
A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic prior to 3.4.12 in src/helpers/UrlHelper.php via the host header.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | nystudio107/craft-seomatic | < 3.4.12 | 3.4.12 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nystudio107 | Seomatic | Version 3.4.12 |