{"id":"CVE-2024-55662","aliases":["EUVD-2024-3481","GHSA-j2pq-22jj-4pm5"],"status":"published","title":"XWiki allows remote code execution through the extension sheet","description":"XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-1 and prior to versions 15.10.9 and 16.3.0, on instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server. This vulnerability has been fixed in XWiki 15.10.9 and 16.3.0. Since `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it as a workaround. It is also possible to manually apply the patches from commit 8659f17d500522bf33595e402391592a35a162e8 to the page `ExtensionCode.ExtensionSheet` and to the page `ExtensionCode.ExtensionAuthorsDisplayer`.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00786,"percentile":0.5655,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863","CWE-94","CWE-96"],"published":"2024-12-12T17:25:26Z","modified":"2026-10-28T02:30:36Z","fixes":[{"ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-repository-server-ui","fixed_in":["15.10.9","16.3.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-repository-server-ui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3-milestone-1"},{"fixed":"15.10.9"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-repository-server-ui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"16.0.0-rc-1"},{"fixed":"16.3.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-repository-server-ui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3-milestone-1"},{"fixed":"15.10.9"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-repository-server-ui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"16.0.0-rc-1"},{"fixed":"16.3.0"}]}]}],"products":[{"vendor":"xwiki","product":"xwiki"},{"vendor":"xwiki","product":"xwiki-platform"}],"references":[{"url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-j2pq-22jj-4pm5","tags":["x_refsource_CONFIRM","Product","advisory","web"]},{"url":"https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8","tags":["x_refsource_MISC","Vendor Advisory","fix","web"]},{"url":"https://jira.xwiki.org/browse/XWIKI-21890","tags":["x_refsource_MISC","exploit","Exploit","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-55662","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j2pq-22jj-4pm5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/55xxx/CVE-2024-55662.json","tags":["advisory"]},{"url":"https://github.com/xwiki/xwiki-platform","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-55662","title":"XWiki allows remote code execution through the extension sheet","description":"XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-1 and prior to versions 15.10.9 and 16.3.0, on instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server. This vulnerability has been fixed in XWiki 15.10.9 and 16.3.0. Since `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it as a workaround. It is also possible to manually apply the patches from commit 8659f17d500522bf33595e402391592a35a162e8 to the page `ExtensionCode.ExtensionSheet` and to the page `ExtensionCode.ExtensionAuthorsDisplayer`.","status":"published","published":"2024-12-12T17:25:26.297Z","modified":"2024-12-13T14:59:39.724Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-96","CWE-863"],"updated_at":"2026-11-02T14:34:22.525279Z"}],"euvd":[{"id":"EUVD-2024-3481","description":"XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-1 and prior to versions 15.10.9 and 16.3.0, on instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server. This vulnerability has been fixed in XWiki 15.10.9 and 16.3.0. Since `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it as a workaround. It is also possible to manually apply the patches from commit 8659f17d500522bf33595e402391592a35a162e8 to the page `ExtensionCode.ExtensionSheet` and to the page `ExtensionCode.ExtensionAuthorsDisplayer`.","status":"published","published":"2024-12-12T17:25:26Z","modified":"2024-12-13T14:59:39Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:35.519932Z"}],"ghsa":[{"id":"GHSA-j2pq-22jj-4pm5","title":"XWiki allows remote code execution through the extension sheet","description":"### Impact\nOn instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server.\nIn order to reproduce on an instance, as a normal user without `script` nor `programming` rights, go to your profile and add an object of type `ExtensionCode.ExtensionClass`. Set the description to `{{async}}{{groovy}}println(\"Hello from Description\"){{/groovy}}{{/async}}` and press `Save and View`. If the description displays as `Hello from Description` without any error, then the instance is vulnerable.\n\n### Patches\nThis vulnerability has been fixed in XWiki 15.10.9 and 16.3.0.\n\n### Workarounds\nSince `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it.\nIt is also possible to manually apply [this patch](https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8#diff-9b6f9e853f23d76611967737f8c4072ffceaba4c006ca5a5e65b66d988dc084a) to the page `ExtensionCode.ExtensionSheet`, as well as [this patch](https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8#diff-d571404d94fa27360cfee64f2a11d8c819b397529db275e005606b7356610f82) to the page `ExtensionCode.ExtensionAuthorsDisplayer`.\n\n### References\n* https://jira.xwiki.org/browse/XWIKI-21890\n* https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n* Email us at [Security Mailing List](mailto:security@xwiki.org)","status":"published","published":"2024-12-12T19:23:04Z","modified":"2025-04-30T20:39:37Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94","CWE-96","CWE-863"],"updated_at":"2026-11-02T14:38:42.263728Z"}],"nvd":[{"id":"CVE-2024-55662","description":"XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-1 and prior to versions 15.10.9 and 16.3.0, on instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server. This vulnerability has been fixed in XWiki 15.10.9 and 16.3.0. Since `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it as a workaround. It is also possible to manually apply the patches from commit 8659f17d500522bf33595e402391592a35a162e8 to the page `ExtensionCode.ExtensionSheet` and to the page `ExtensionCode.ExtensionAuthorsDisplayer`.","status":"published","published":"2024-12-12T18:15:27.86Z","modified":"2026-06-17T08:11:22.017Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-96","CWE-863","CWE-94"],"updated_at":"2026-11-02T14:10:40.137849Z"}],"osv":[{"id":"CVE-2024-55662","title":"XWiki allows remote code execution through the extension sheet","description":"XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-1 and prior to versions 15.10.9 and 16.3.0, on instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server. This vulnerability has been fixed in XWiki 15.10.9 and 16.3.0. Since `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it as a workaround. It is also possible to manually apply the patches from commit 8659f17d500522bf33595e402391592a35a162e8 to the page `ExtensionCode.ExtensionSheet` and to the page `ExtensionCode.ExtensionAuthorsDisplayer`.","status":"published","published":"2024-12-12T17:25:26.297Z","modified":"2026-10-28T02:30:36.045864681Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863","CWE-96"],"updated_at":"2026-11-02T15:44:44.777182Z"},{"id":"GHSA-j2pq-22jj-4pm5","title":"XWiki allows remote code execution through the extension sheet","description":"### Impact\nOn instances where `Extension Repository Application` is installed, any user can execute any code requiring `programming` rights on the server.\nIn order to reproduce on an instance, as a normal user without `script` nor `programming` rights, go to your profile and add an object of type `ExtensionCode.ExtensionClass`. Set the description to `{{async}}{{groovy}}println(\"Hello from Description\"){{/groovy}}{{/async}}` and press `Save and View`. If the description displays as `Hello from Description` without any error, then the instance is vulnerable.\n\n### Patches\nThis vulnerability has been fixed in XWiki 15.10.9 and 16.3.0.\n\n### Workarounds\nSince `Extension Repository Application` is not mandatory, it can be safely disabled on instances that do not use it.\nIt is also possible to manually apply [this patch](https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8#diff-9b6f9e853f23d76611967737f8c4072ffceaba4c006ca5a5e65b66d988dc084a) to the page `ExtensionCode.ExtensionSheet`, as well as [this patch](https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8#diff-d571404d94fa27360cfee64f2a11d8c819b397529db275e005606b7356610f82) to the page `ExtensionCode.ExtensionAuthorsDisplayer`.\n\n### References\n* https://jira.xwiki.org/browse/XWIKI-21890\n* https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n* Email us at [Security Mailing List](mailto:security@xwiki.org)","status":"published","published":"2024-12-12T19:23:04Z","modified":"2024-12-12T19:57:25.475442Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863","CWE-94","CWE-96"],"updated_at":"2026-11-02T15:46:49.621585Z"}]}}