{"id":"CVE-2026-47387","aliases":["EUVD-2026-38612","GHSA-hj85-ph9q-78jg"],"status":"published","title":"NocoDB: Stored Cross-Site Scripting via Form View Redirect URL","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared form-view submit handler (packages/nc-gui/composables/useSharedFormViewStore.ts) in NocoDB writes the form's redirect_url to window.location.href after a same-host check that does not validate the URL scheme. A user with editor role (or above) on any base can plant a javascript: URL in the form's redirect_url; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from localStorage[\"nocodb-gui-v2\"]. This vulnerability is fixed in 2026.05.1.","severity":{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00396,"percentile":0.34163,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-06-05T16:20:44Z","modified":"2026-11-04T02:47:46Z","fixes":[{"ecosystem":"npm","package":"nocodb","fixed_in":["2026.05.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"nocodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.05.0"},{"fixed":"2026.05.1"}]}]},{"source":"osv","ecosystem":"npm","package":"nocodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.05.1"}]}]}],"products":[{"vendor":"nocodb","product":"nocodb"}],"references":[{"url":"https://github.com/nocodb/nocodb/security/advisories/GHSA-hj85-ph9q-78jg","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/nocodb/nocodb/releases/tag/2026.05.1","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47387","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hj85-ph9q-78jg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47387.json","tags":["advisory"]},{"url":"https://github.com/nocodb/nocodb","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-47387","title":"NocoDB: Stored Cross-Site Scripting via Form View Redirect URL","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared form-view submit handler (packages/nc-gui/composables/useSharedFormViewStore.ts) in NocoDB writes the form's redirect_url to window.location.href after a same-host check that does not validate the URL scheme. A user with editor role (or above) on any base can plant a javascript: URL in the form's redirect_url; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from localStorage[\"nocodb-gui-v2\"]. This vulnerability is fixed in 2026.05.1.","status":"published","published":"2026-06-23T20:11:02.071Z","modified":"2026-06-24T13:51:42.638Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:36:40.478484Z"}],"euvd":[{"id":"EUVD-2026-38612","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared form-view submit handler (packages/nc-gui/composables/useSharedFormViewStore.ts) in NocoDB writes the form's redirect_url to window.location.href after a same-host check that does not validate the URL scheme. A user with editor role (or above) on any base can plant a javascript: URL in the form's redirect_url; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from localStorage[\"nocodb-gui-v2\"]. This vulnerability is fixed in 2026.05.1.","status":"published","published":"2026-06-23T20:11:02Z","modified":"2026-06-24T13:51:42Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:30.642628Z"}],"ghsa":[{"id":"GHSA-hj85-ph9q-78jg","title":"NocoDB: Stored Cross-Site Scripting via Form View Redirect URL","description":"### Summary\n\nThe shared form-view submit handler in NocoDB writes the form's `redirect_url` to `window.location.href` after a same-host check that does not validate the URL scheme. A user with `editor` role (or above) on any base can plant a `javascript:` URL in the form's `redirect_url`; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from `localStorage[\"nocodb-gui-v2\"]`.\n\n### Details\n\nThe vulnerable sink is in `packages/nc-gui/composables/useSharedFormViewStore.ts`:\n\n- `isValidRedirectUrl` validated only `typeof === 'string'` and non-empty trim — no scheme check.\n- The submit branch built an anchor element, compared `anchor.host` to `window.location.host`, and either pushState-reloaded (same host) or assigned `window.location.href = redirectUrl` (otherwise).\n- For non-network schemes such as `javascript:`, `data:`, `vbscript:`, and `file:`, `anchor.host` is the empty string, so the same-host check is false and the code falls into the external-redirect branch — executing the URL same-origin in the NocoDB tab.\n\nThe `redirect_url` field is writable by any user with `editor` role on the base via the form-view PATCH endpoint, and the value is returned verbatim by the public shared-view meta endpoint, so no further privilege is required to weaponize a public form share.\n\n### Impact\n\n- **Same-origin script execution in the viewer's NocoDB tab.** The payload runs in the NocoDB origin and can read the session token at `localStorage[\"nocodb-gui-v2\"].token`.\n- **Action under the viewer's identity.** With the token, an attacker can call authenticated APIs as the viewer, scoped to whatever workspaces, bases, and operations that viewer is permitted to use.\n- **Single-click viewer flow.** Form share-links are the intended distribution channel for forms, so the phishing surface is on-brand; the form can be configured with a single hidden pre-filled required field to reduce the viewer flow to one click.\n\n### Credit\n\nThis issue was reported by [@kah-ja](https://github.com/kah-ja) ([turingpoint.de](https://turingpoint.de)).","status":"published","published":"2026-06-05T16:20:44Z","modified":"2026-07-20T21:19:09Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:40:47.245721Z"}],"nvd":[{"id":"CVE-2026-47387","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared form-view submit handler (packages/nc-gui/composables/useSharedFormViewStore.ts) in NocoDB writes the form's redirect_url to window.location.href after a same-host check that does not validate the URL scheme. A user with editor role (or above) on any base can plant a javascript: URL in the form's redirect_url; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from localStorage[\"nocodb-gui-v2\"]. This vulnerability is fixed in 2026.05.1.","status":"published","published":"2026-06-23T21:17:00.743Z","modified":"2026-06-25T14:21:00.26Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:25.288279Z"}],"osv":[{"id":"CVE-2026-47387","title":"NocoDB: Stored Cross-Site Scripting via Form View Redirect URL","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared form-view submit handler (packages/nc-gui/composables/useSharedFormViewStore.ts) in NocoDB writes the form's redirect_url to window.location.href after a same-host check that does not validate the URL scheme. A user with editor role (or above) on any base can plant a javascript: URL in the form's redirect_url; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from localStorage[\"nocodb-gui-v2\"]. This vulnerability is fixed in 2026.05.1.","status":"published","published":"2026-06-23T20:11:02.071Z","modified":"2026-11-04T02:47:46.904438359Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-04T02:53:00.786919Z"},{"id":"GHSA-hj85-ph9q-78jg","title":"NocoDB: Stored Cross-Site Scripting via Form View Redirect URL","description":"### Summary\n\nThe shared form-view submit handler in NocoDB writes the form's `redirect_url` to `window.location.href` after a same-host check that does not validate the URL scheme. A user with `editor` role (or above) on any base can plant a `javascript:` URL in the form's `redirect_url`; when an authenticated viewer opens the share-link and submits the form, the payload executes in the NocoDB origin and can read the session token from `localStorage[\"nocodb-gui-v2\"]`.\n\n### Details\n\nThe vulnerable sink is in `packages/nc-gui/composables/useSharedFormViewStore.ts`:\n\n- `isValidRedirectUrl` validated only `typeof === 'string'` and non-empty trim — no scheme check.\n- The submit branch built an anchor element, compared `anchor.host` to `window.location.host`, and either pushState-reloaded (same host) or assigned `window.location.href = redirectUrl` (otherwise).\n- For non-network schemes such as `javascript:`, `data:`, `vbscript:`, and `file:`, `anchor.host` is the empty string, so the same-host check is false and the code falls into the external-redirect branch — executing the URL same-origin in the NocoDB tab.\n\nThe `redirect_url` field is writable by any user with `editor` role on the base via the form-view PATCH endpoint, and the value is returned verbatim by the public shared-view meta endpoint, so no further privilege is required to weaponize a public form share.\n\n### Impact\n\n- **Same-origin script execution in the viewer's NocoDB tab.** The payload runs in the NocoDB origin and can read the session token at `localStorage[\"nocodb-gui-v2\"].token`.\n- **Action under the viewer's identity.** With the token, an attacker can call authenticated APIs as the viewer, scoped to whatever workspaces, bases, and operations that viewer is permitted to use.\n- **Single-click viewer flow.** Form share-links are the intended distribution channel for forms, so the phishing surface is on-brand; the form can be configured with a single hidden pre-filled required field to reduce the viewer flow to one click.\n\n### Credit\n\nThis issue was reported by [@kah-ja](https://github.com/kah-ja) ([turingpoint.de](https://turingpoint.de)).","status":"published","published":"2026-06-05T16:20:44Z","modified":"2026-07-20T21:30:39.726401045Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:49.28217Z"}]}}