CVE-2018-14716 Information

Description

A Server Side Template Injection (SSTI) was discovered in the SEOmatic plugin before 3.1.4 for Craft CMS because requests that don’t match any elements incorrectly generate the canonicalUrl and can lead to execution of Twig code.

CVSS Vector

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

Reference

http://ha.cker.info/exploitation-of-server-side-template-injection-with-craft-cms-plguin-seomatic/ https://github.com/nystudio107/craft-seomatic/commit/1e7d1d084ac3a89e7ec70620f2749110508d1ce1 https://github.com/nystudio107/craft-seomatic/releases/tag/3.1.4 https://twitter.com/nystudio107/status/1021847835418009605 https://twitter.com/nystudio107/status/1021855169515057152 https://www.exploit-db.com/exploits/45108/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5