How severe is GHSA-pqpp-2363-649v?

No CVSS score has been assigned to GHSA-pqpp-2363-649v yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-pqpp-2363-649v?

GHSA-pqpp-2363-649v affects the following packages: buttle (npm). Ecosystems affected: npm.

How do I fix GHSA-pqpp-2363-649v?

No patched version of buttle has shipped for GHSA-pqpp-2363-649v yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

How do I detect GHSA-pqpp-2363-649v in my npm dependencies?

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

How do I mitigate GHSA-pqpp-2363-649v 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-pqpp-2363-649v actively exploited in the wild?

No public exploit code has been indexed for GHSA-pqpp-2363-649v 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-pqpp-2363-649v published, and has it been updated?

GHSA-pqpp-2363-649v was published on September 2, 2020 and was last updated on August 31, 2020. 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 buttleGHSA-pqpp-2363-649v

GHSA-pqpp-2363-649v is a security vulnerability in buttle. No vendor fix is recorded yet; mitigation options are listed below.

Published

Sep 2, 2020

Updated

Aug 31, 2020

Affected

1 pkg

Patched

None yet

Exploits

None indexed

Exploitation data as of Aug 31, 2020 · 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.

0other npm packages depend on this — each one inherits the vulnerability until it's patched upstream

buttlenpm

29downloads / week

Description

All versions of buttle are vulnerable to Cross-Site Scripting. Due to misconfiguration of its rendering engine, buttle does not sanitize the HTML output allowing attackers to run arbitrary JavaScript when processing malicious markdown files.

Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

Affected Packages

1 total

Ecosystem	Package	Vulnerable range	Fix
📦npm	`buttle`	all versions	No fix

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for buttle, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
No patched version of buttle has shipped for GHSA-pqpp-2363-649v yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Mitigate without a patch
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

All versions of `buttle` are vulnerable to Cross-Site Scripting. Due to misconfiguration of its rendering engine, `buttle` does not sanitize the HTML output allowing attackers to run arbitrary JavaScript when processing malicious markdown files. ## Recommendation No fix is currently available. Consider using an alternative module until a fix is made available.

O3 Security · Impact-Aware SCA

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