How severe is GHSA-g336-c7wv-8hp3?

No CVSS score has been assigned to GHSA-g336-c7wv-8hp3 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-g336-c7wv-8hp3?

GHSA-g336-c7wv-8hp3 affects the following packages: swagger-ui (npm). Ecosystems affected: npm.

How do I fix GHSA-g336-c7wv-8hp3?

Update swagger-ui to 2.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-g336-c7wv-8hp3 is resolved across your whole dependency graph.

How do I detect GHSA-g336-c7wv-8hp3 in my npm dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for swagger-ui, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-g336-c7wv-8hp3 if there is no patch (or I can't update yet)?

Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Is GHSA-g336-c7wv-8hp3 actively exploited in the wild?

No public exploit code has been indexed for GHSA-g336-c7wv-8hp3 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-g336-c7wv-8hp3 published, and has it been updated?

GHSA-g336-c7wv-8hp3 was published on September 1, 2020 and was last updated on September 23, 2021. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

📦 npm

Not in CISA KEV

Cross-Site Scripting in swagger-uiGHSA-g336-c7wv-8hp3

Fix: swagger-api/swagger-ui@a1aea70

GHSA-g336-c7wv-8hp3 is a security vulnerability in swagger-ui. A fix is available for swagger-ui — see the affected versions and patch details below.

Published

Sep 1, 2020

Updated

Sep 23, 2021

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Sep 23, 2021 · OSV.dev, 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.

168other npm packages depend on this — each one inherits the vulnerability until it's patched upstream

swagger-uinpm

148Kdownloads / week

Description

Affected versions of swagger-ui are vulnerable to cross-site scripting via the url query string parameter.

Recommendation

Update to 2.2.1 or later.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
📦npm	`swagger-ui`	all versions	2.2.1`npm install swagger-ui@2.2.1`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for swagger-ui, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update swagger-ui to 2.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-g336-c7wv-8hp3 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Affected versions of `swagger-ui` are vulnerable to cross-site scripting via the `url` query string parameter. ## Recommendation Update to 2.2.1 or later.

O3 Security · Impact-Aware SCA

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