{"id":"CVE-2021-3312","details":"An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server's file system by uploading a crafted SVG document.","aliases":["GHSA-g6v7-vqhx-6v6c"],"modified":"2026-08-07T17:02:11.014191Z","published":"2021-10-08T15:15:09.217Z","references":[{"type":"ADVISORY","url":"https://github.com/alkacon/opencms-core/releases"},{"type":"REPORT","url":"https://github.com/alkacon/opencms-core/issues/725"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/alkacon/opencms-core","events":[{"introduced":"bc104acc75d2277df5864da939a1f2de5fdee504"},{"last_affected":"111fa04876f65f4cccd35e4086a3cbd26ab930f8"}],"database_specific":{"source":"CPE_STRING","cpe":["cpe:2.3:a:alkacon:opencms:11.0:-:*:*:*:*:*:*","cpe:2.3:a:alkacon:opencms:11.0.1:*:*:*:*:*:*:*","cpe:2.3:a:alkacon:opencms:11.0.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"11.0-NA"},{"last_affected":"11.0-NA"},{"introduced":"11.0.1"},{"last_affected":"11.0.1"},{"introduced":"11.0.2"},{"last_affected":"11.0.2"}]}}],"versions":["11.0-NA","11.0.1","11.0.2","build_11_0_2","build_11_0_1","build_11_0_0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3312.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}