CVE-2020-9757

9.8 criticalEPSS 73%

The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 73% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE: CWE-74
Published: 2020-03-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

craftcms:craft_cms

References

https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt
https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md
https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b
https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f
https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt

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