CVE-2021-29261 json
The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace co…
published 2021-04-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15900
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.
Patch / fix
- svelte svelte 104.8.0
Exploit prediction
1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
References
-
github.com
/sveltejs/language-tools/commit/5d7bf1fd98bfe2cd2080863a3c95ce099b898075
patch, third-party-advisory
-
marketplace.visualstudio.com
/items?itemName=svelte.svelte-vscode
product, third-party-advisory
-
github.com
/sveltejs/language-tools/releases
third-party-advisory
-
vuln.ryotak.me
/advisories/3
third-party-advisory
-
github.com
/sveltejs/language-tools/releases/tag/extensions-104.8.0
release-notes, third-party-advisory
Sources
- CVE List CVE-2021-29261
- NVD CVE-2021-29261
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.