{"id":"CVE-2024-29686","aliases":["GHSA-8r5j-gm3j-cx9c"],"url":"https://o3.security/vulnerability/CVE-2024-29686","summary":"Winter CMS Server-Side Template Injection (SSTI) vulnerability","details":"Server-side Template Injection (SSTI) vulnerability in Winter CMS v.1.2.3 allows a remote attacker to execute arbitrary code via a crafted payload to the CMS Pages field and Plugin components. NOTE: the vendor disputes this because the payload could only be entered by a trusted user, such as the owner of the server that hosts Winter CMS, or a developer working for them.","published":"2024-03-29T00:00:00Z","modified":"2026-08-12T03:51:29.649142052Z","cvss":{"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"},"epss":{"score":0.01821,"percentile":0.7771,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"wintercms/winter","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://forum.ksec.co.uk/t/webapps-winter-cms-1-2-3-server-side-template-injection-ssti-authenticated/2779"},{"type":"WEB","url":"https://wintercms.com/docs/v1.2/docs/cms/themes#template-structure"},{"type":"WEB","url":"https://www.exploit-db.com/exploits/51893"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/29xxx/CVE-2024-29686.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-29686"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:29.649142052Z"}}