{"id":"GHSA-9jq9-c2cv-pcrj","summary":"Cross-site Scripting by SVG upload in xwiki-platform","details":"### Impact\nWhen using default XWiki configuration, it's possible for an attacker to upload an SVG containing a script executed when executing the download action on the file. \n\n### Patches\nThis problem has been patched so that the default configuration doesn't allow to display the SVG files in the browser.\n\n### Workarounds\nThis issue can be fixed without the patch by setting properly the configuration to download or display files, see: https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload\n\n### References\nhttps://jira.xwiki.org/browse/XWIKI-18368\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira](http://jira.xwiki.org)\n* Email us at [security ML](mailto:security@xwiki.org)\n","aliases":["CVE-2021-43841"],"modified":"2026-07-08T06:27:32.259940237Z","published":"2022-02-10T22:42:48Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2022-02-07T16:42:20Z","nvd_published_at":"2022-02-04T23:15:00Z","cwe_ids":["CWE-79"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9jq9-c2cv-pcrj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43841"},{"type":"WEB","url":"https://github.com/xwiki/xwiki-platform/commit/5853d492b3a274db0d94d560e2a5ea988a271c62"},{"type":"WEB","url":"https://github.com/xwiki/xwiki-platform"},{"type":"WEB","url":"https://jira.xwiki.org/browse/XWIKI-18368"},{"type":"WEB","url":"https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload"}],"affected":[{"package":{"name":"org.xwiki.platform:xwiki-platform-oldcore","ecosystem":"Maven","purl":"pkg:maven/org.xwiki.platform/xwiki-platform-oldcore"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.10.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-9jq9-c2cv-pcrj/GHSA-9jq9-c2cv-pcrj.json"}},{"package":{"name":"org.xwiki.platform:xwiki-platform-oldcore","ecosystem":"Maven","purl":"pkg:maven/org.xwiki.platform/xwiki-platform-oldcore"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0"},{"fixed":"13.3RC1"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 13.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-9jq9-c2cv-pcrj/GHSA-9jq9-c2cv-pcrj.json"}},{"package":{"name":"org.xwiki.platform:xwiki-platform-tool-configuration-resources","ecosystem":"Maven","purl":"pkg:maven/org.xwiki.platform/xwiki-platform-tool-configuration-resources"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0"},{"fixed":"13.3RC1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-9jq9-c2cv-pcrj/GHSA-9jq9-c2cv-pcrj.json","last_known_affected_version_range":"\u003c= 13.2"}},{"package":{"name":"org.xwiki.platform:xwiki-platform-tool-configuration-resources","ecosystem":"Maven","purl":"pkg:maven/org.xwiki.platform/xwiki-platform-tool-configuration-resources"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.10.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-9jq9-c2cv-pcrj/GHSA-9jq9-c2cv-pcrj.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N"}]}