CVE-2018-14716 EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 33% (pctl 98)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 33.03% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-94 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-08-06 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| nystudio107 | seomatic |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Craft CMS SEOmatic plugin 3.1.4 - Server-Side Template Injection | 2018-07-31 |
References
- 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/
- 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/
→ the Explorer · watch your stack · NVD