{"id":"CVE-2026-33229","aliases":["EUVD-2026-20478","GHSA-h259-74h5-4rh9"],"status":"published","title":"XWiki Platform affected by remote code execution with script right through unprotected Velocity scripting API","description":"XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0055,"percentile":0.46347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-862"],"published":"2026-04-08T14:53:35Z","modified":"2026-10-28T10:54:55Z","exploits":[{"source":"pocgithub","id":"azefzafyoussef/CVE-2026-33229","title":"azefzafyoussef/CVE-2026-33229","date":"2026-04-11","url":"https://github.com/azefzafyoussef/CVE-2026-33229"}],"fixes":[{"ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-oldcore","fixed_in":["17.4.8","17.10.1"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-legacy-oldcore","fixed_in":["17.4.8","17.10.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.0.0-rc-1"},{"fixed":"17.4.8"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.5.0-rc-1"},{"fixed":"17.10.1"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-legacy-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.0.0-rc-1"},{"fixed":"17.4.8"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-legacy-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.5.0-rc-1"},{"fixed":"17.10.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.0.0-rc-1"},{"fixed":"17.4.8"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.5.0-rc-1"},{"fixed":"17.10.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-legacy-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.0.0-rc-1"},{"fixed":"17.4.8"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.xwiki.platform:xwiki-platform-legacy-oldcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"17.5.0-rc-1"},{"fixed":"17.10.1"}]}]}],"products":[{"vendor":"org.xwiki.platform","product":"xwiki-platform-legacy-oldcore"},{"vendor":"org.xwiki.platform","product":"xwiki-platform-oldcore"},{"vendor":"xwiki","product":"xwiki"},{"vendor":"xwiki","product":"xwiki-platform"}],"references":[{"url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h259-74h5-4rh9","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/xwiki/xwiki-platform/commit/9fe84da66184c05953df9466cf3a4acd15a46e63","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://jira.xwiki.org/browse/XWIKI-23698","tags":["x_refsource_MISC","Exploit","Vendor Advisory","web"]},{"url":"https://jira.xwiki.org/browse/XWIKI-23702","tags":["x_refsource_MISC","Exploit","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33229","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h259-74h5-4rh9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33229.json","tags":["advisory"]},{"url":"https://github.com/xwiki/xwiki-platform","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-33229","title":"XWiki Platform affected by remote code execution with script right through unprotected Velocity scripting API","description":"XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.","status":"published","published":"2026-04-08T14:53:35.977Z","modified":"2026-04-10T20:33:15.897Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:08.009733Z"}],"euvd":[{"id":"EUVD-2026-20478","description":"XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.","status":"published","published":"2026-04-08T14:53:35Z","modified":"2026-04-10T20:33:15Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:24:29.371024Z"}],"ghsa":[{"id":"GHSA-h259-74h5-4rh9","title":"XWiki vulnerable to remote code execution with script right through unprotected Velocity scripting API","description":"### Impact\nAn improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users.\n\n### Patches\nThe vulnerability has been patched in XWiki 17.4.8 and 17.10.1 by requiring programming right to access the affected scripting API.\n\n### Workarounds\nWe're not aware of any workarounds except for being careful whom you grant script right.\n\n### Attribution\nWe thank Youssef Azefzaf for discovering and reporting this vulnerability.","status":"published","published":"2026-04-08T15:00:17Z","modified":"2026-04-08T19:26:26Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:39:51.193071Z"}],"nvd":[{"id":"CVE-2026-33229","description":"XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.","status":"published","published":"2026-04-08T16:16:23.43Z","modified":"2026-07-24T23:10:00.563Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:13.535987Z"}],"osv":[{"id":"CVE-2026-33229","title":"XWiki Platform affected by remote code execution with script right through unprotected Velocity scripting API","description":"XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.","status":"published","published":"2026-04-08T14:53:35.977Z","modified":"2026-10-28T10:54:55.936827281Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:01.548715Z"},{"id":"GHSA-h259-74h5-4rh9","title":"XWiki vulnerable to remote code execution with script right through unprotected Velocity scripting API","description":"### Impact\nAn improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users.\n\n### Patches\nThe vulnerability has been patched in XWiki 17.4.8 and 17.10.1 by requiring programming right to access the affected scripting API.\n\n### Workarounds\nWe're not aware of any workarounds except for being careful whom you grant script right.\n\n### Attribution\nWe thank Youssef Azefzaf for discovering and reporting this vulnerability.","status":"published","published":"2026-04-08T15:00:17Z","modified":"2026-04-08T19:36:59.002837Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:46:48.546324Z"}]}}