{"id":"CVE-2020-9757","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-9757","generatedAt":"2026-11-05T02:15:23.987Z","title":"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.","description":"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.","published":"2020-03-04T17:15:12.000Z","lastModified":"2026-06-17T03:28:32.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-74"],"affected":["craftcms/craft cms"],"epss":{"score":0.72821,"percentile":0.9945,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 72.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-9757","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}