{"id":"CVE-2021-29261","aliases":["EUVD-2021-15900","GHSA-7hhg-cf2m-8xw7"],"status":"published","title":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute...","description":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01374,"percentile":0.72196,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-04-05T06:15:21Z","modified":"2026-10-24T10:50:12Z","products":[{"vendor":"svelte","product":"svelte"}],"references":[{"url":"https://marketplace.visualstudio.com/items?itemName=svelte.svelte-vscode","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory"]},{"url":"https://github.com/sveltejs/language-tools/releases","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://vuln.ryotak.me/advisories/3","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/sveltejs/language-tools/releases/tag/extensions-104.8.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/sveltejs/language-tools/commit/5d7bf1fd98bfe2cd2080863a3c95ce099b898075","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29261"},{"url":"https://github.com/advisories/GHSA-7hhg-cf2m-8xw7"}],"sources":{"cve":[{"id":"CVE-2021-29261","description":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.","status":"published","published":"2021-04-05T06:15:21Z","modified":"2024-08-03T22:02:51.444Z","updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-15900","description":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.","status":"published","published":"2021-04-05T06:15:21Z","modified":"2024-08-03T22:02:51Z","updated_at":"2026-11-03T03:24:45.000012Z"}],"ghsa":[{"id":"GHSA-7hhg-cf2m-8xw7","title":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute...","description":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.","status":"published","published":"2022-05-24T17:46:28Z","modified":"2023-01-29T05:05:51Z","updated_at":"2026-11-02T14:45:53.730969Z"}],"nvd":[{"id":"CVE-2021-29261","description":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.","status":"published","published":"2021-04-05T07:15:14.463Z","modified":"2026-06-17T03:47:27.93Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:51.197859Z"}],"osv":[{"id":"CVE-2021-29261","description":"The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.","status":"published","published":"2021-04-05T07:15:14.463Z","modified":"2026-10-24T10:50:12.372000505Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.129331Z"}]}}