CVE-2018-14716
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 32.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 32.67% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 31 July 2018
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- nystudio107/seomatic
- Source
- cve@mitre.org
EPSS 32.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://ha.cker.info/exploitation-of-server-side-template-injection-with-craft-cms-plguin-seomatic/Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/1e7d1d084ac3a89e7ec70620f2749110508d1ce1Vendor Advisory
- https://github.com/nystudio107/craft-seomatic/releases/tag/3.1.4Patch, Vendor Advisory
- https://twitter.com/nystudio107/status/1021847835418009605Vendor Advisory
- https://twitter.com/nystudio107/status/1021855169515057152Vendor Advisory
- https://www.exploit-db.com/exploits/45108/Exploit, Third Party Advisory, VDB Entry
- http://ha.cker.info/exploitation-of-server-side-template-injection-with-craft-cms-plguin-seomatic/Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/1e7d1d084ac3a89e7ec70620f2749110508d1ce1Vendor Advisory
- https://github.com/nystudio107/craft-seomatic/releases/tag/3.1.4Patch, Vendor Advisory
- https://twitter.com/nystudio107/status/1021847835418009605Vendor Advisory
- https://twitter.com/nystudio107/status/1021855169515057152Vendor Advisory
- https://www.exploit-db.com/exploits/45108/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.