CVE-2018-14716

high

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.

References

http://ha.cker.info/exploitation-of-server-side-template-injection-with-craft-cms-plguin-seomatic/

https://www.exploit-db.com/exploits/45108/

https://twitter.com/nystudio107/status/1021855169515057152

https://twitter.com/nystudio107/status/1021847835418009605

https://github.com/nystudio107/craft-seomatic/releases/tag/3.1.4

https://github.com/nystudio107/craft-seomatic/commit/1e7d1d084ac3a89e7ec70620f2749110508d1ce1

Details

Source: Mitre, NVD

Published: 2018-08-06

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.33034

Detections

Analytics