CVE-2021-44618 — CRITICAL (9.8)

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nystudio107	Seomatic	3.4.12

Related Weaknesses (CWE)

CWE-94

References

https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf1PatchThird Party Advisory
https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12Release NotesThird Party Advisory
https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf1PatchThird Party Advisory
https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12Release NotesThird Party Advisory

FAQ

What is CVE-2021-44618?

CVE-2021-44618 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.

How severe is CVE-2021-44618?

CVE-2021-44618 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-44618?

Check the references section above for vendor advisories and patch information. Affected products include: Nystudio107 Seomatic.