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📦
📦 npm
Not in CISA KEV
HIGH severity

GHSA-xw22-wv29-3299

HIGHFix: creharmony/node-etsy-client@b4beb8e

GHSA-xw22-wv29-3299 is a high-severity (CVSS 8.1) Information Exposure vulnerability in node-etsy-client. O3 Security confirms whether GHSA-xw22-wv29-3299 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

ApiKey secret could be revelated on network issue

Also known asCVE-2021-21421
Published
Apr 6, 2021
Updated
Jul 8, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Jul 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

0other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
node-etsy-clientnpm
13downloads / week

Description

Impact

What kind of vulnerability is it? Who is impacted? Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too

Patches

Has the problem been patched? What versions should users upgrade to?

creharmony/node-etsy-client#18 fixes this issue. This is fixed in node-etsy-client v0.3.0 and later.

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

Do not report or log etsy client error if you are using version <= v0.2.0

Update your version of node-etsy-client

References

Are there any links users can visit to find out more?

For more information

If you have any questions or comments about this advisory:

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npmnode-etsy-clientall versions0.3.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for node-etsy-client. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update node-etsy-client to 0.3.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xw22-wv29-3299 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-xw22-wv29-3299 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-xw22-wv29-3299. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact _What kind of vulnerability is it? Who is impacted?_ Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too ### Patches _Has the problem been patched? What versions should users upgrade to?_ creharmony/node-etsy-client#18 fixes this issue. This is fixed in [node-etsy-client v0.3.0](https://github.com/creharmony/node-etsy-client/tree/v0.3.0) and later. ### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_ Do not report or log etsy client error if you are using version <= v0
O3 Security · Impact-Aware SCA

Is GHSA-xw22-wv29-3299 in your dependencies?

O3 detects GHSA-xw22-wv29-3299 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

GHSA-xw22-wv29-3299: ApiKey secret could… | O3 Security