[2c] Replace axios (CVE-2023-45857) with native fetch
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Assessment
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Newbie friendliness
- 58/100
- Issue type
- Bug
- Clarity
- Clearly specified
- Activity status
- Quiet
- Tech stack
- javascript
Research direction
Inspect fetchRemoteData and fetchRemoteDataBlob in src/Utils.js, then check package.json and the lock file for axios. Run npm install after removing the dependency and verify both methods use the browser fetch API, the lock file is updated, and axios no longer appears in the dependency tree.
Written by the indexing model from the issue text.
Description
Summary
Replace axios with native fetch to eliminate unpatched CVE-2023-45857 / SSRF vulnerability
Environment
- Product/Service: FeatureSET-Display — JavaScript API
- File:
src/Utils.js - Dependency:
axios 0.26.x
Problem Description
axios 0.26.x has unpatched CVEs including CVE-2023-45857 (SSRF). The two Utils.js methods (fetchRemoteData, fetchRemoteDataBlob) only use axios.get(url, { responseType: 'arraybuffer' }) — functionality natively available in the browser via fetch().then(r => r.arrayBuffer()). Replacing axios removes the vulnerability entirely and eliminates a runtime dependency.
Expected Behavior
fetchRemoteData and fetchRemoteDataBlob use the browser-native fetch API. axios is removed from package.json. No CVEs remain from this dependency.
Actual Behavior
axios 0.26.x is bundled and shipped with unpatched SSRF vulnerability CVE-2023-45857.
Error Details
CVE-2023-45857 — axios <=1.5.1: SSRF via crafted request
Severity: High
Affected: axios 0.26.x (current)
Tasks
- Replace
fetchRemoteDatainsrc/Utils.jswith afetch-based implementation - Replace
fetchRemoteDataBlobinsrc/Utils.jswith afetch-based implementation - Remove
axiosfrompackage.jsondependencies and runnpm installto update the lock file
Impact
High — Unpatched security vulnerability (CVE-2023-45857 / SSRF) shipped in the bundle. Fix is a one-line change per method.
Additional Context
Replacement pattern:
async fetchRemoteData(url) {
const res = await fetch(url);
return res.arrayBuffer();
}
No external dependency needed. Works in all modern browsers and Node 18+.
- Dominant language
- JavaScript
- Stars
- 8
- Forks
- 2
- PR merge metrics
- No merged PRs in 30d
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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