{"id":"CVE-2023-22621","aliases":["GHSA-2h87-4q2w-v4hf"],"url":"https://o3.security/vulnerability/CVE-2023-22621","summary":"Strapi plugins vulnerable to Server-Side Template Injection and Remote Code Execution in the Users-Permissions Plugin","details":"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":"2023-04-19T00:00:00Z","modified":"2026-08-12T03:51:43.411913747Z","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"npm","name":"@strapi/plugin-users-permissions","fixedVersion":"4.5.6"},{"ecosystem":"npm","name":"@strapi/plugin-email","fixedVersion":"4.5.6"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22621.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22621"},{"type":"PACKAGE","url":"https://github.com/strapi/strapi/releases"},{"type":"ARTICLE","url":"https://strapi.io/blog/security-disclosure-of-vulnerabilities-cve"},{"type":"ARTICLE","url":"https://www.ghostccamm.com/blog/multi_strapi_vulns/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:43.411913747Z"}}