{"id":"CVE-2023-22621","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-22621","generatedAt":"2026-11-04T23:31:56.072Z","title":"Strapi through 4.5.5 allows authenticated Server-Side Template Injection (SSTI) that can be exploited to execute arbitrary code on the server.","description":"Strapi through 4.5.5 allows authenticated Server-Side Template Injection (SSTI) that can be exploited to execute arbitrary code on the server. A remote attacker with access to the Strapi admin panel can inject a crafted payload that executes code on the server into an email template that bypasses the validation checks that should prevent code execution.","published":"2023-04-19T16:15:07.000Z","lastModified":"2026-06-17T05:35:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-74"],"affected":["strapi/strapi"],"epss":{"score":0.706,"percentile":0.99393,"date":"2026-11-03","history":[{"date":"2026-09-24","score":0.706,"percentile":0.99372}]},"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 70.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/strapi/strapi/releases","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://strapi.io/blog/security-disclosure-of-vulnerabilities-cve","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.ghostccamm.com/blog/multi_strapi_vulns/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/strapi/strapi/releases","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://strapi.io/blog/security-disclosure-of-vulnerabilities-cve","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ghostccamm.com/blog/multi_strapi_vulns/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-22621","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."}