PT-2022-12188 · Nystudio107 · Seomatic

Published 2022-03-11 · Updated 2022-03-18 · CVE-2021-44618

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Nystudio107 Seomatic versions prior to 3.4.12

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

Recommendations For versions prior to 3.4.12, update to version 3.4.12 or later to resolve the issue. As a temporary workaround, consider restricting access to the UrlHelper.php file until a patch is available. Avoid using the host header in the affected API endpoint until the issue is resolved.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2021-44618

GHSA-M3XV-X3PH-MQ22

Affected Products

Seomatic

References · 7

• https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469 · Patch
• https://osv.dev/vulnerability/GHSA-m3xv-x3ph-mq22 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-44618 · Security Note
• https://osv.dev/vulnerability/CVE-2021-44618 · Vendor Advisory
• https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12 · Note
• https://github.com/nystudio107/craft-seomatic · Note
• https://t.me/cibsecurity/38791 · Telegram Post