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GHSA-5q54-8p9j-x74j

MEDIUM

GHSA-5q54-8p9j-x74j is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in editor.md. 1 public exploit reference exists, so weaponization risk is real. O3 Security confirms whether GHSA-5q54-8p9j-x74j is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Cross-site Scripting in pandao editor.md

Also known asCVE-2019-14517
Published
Aug 23, 2019
Updated
Nov 8, 2023
Affected
1 pkg
Patched
None yet
Exploits
1 known

Blast Radius

1 pkg affected

Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.

editor.mdnpm
740downloads / week

Description

pandao Editor.md 1.5.0 allows XSS via the Javascript: string.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmeditor.mdall versionsNo fix
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for editor.md. 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. Remediation status

    No patched version of editor.md has shipped for GHSA-5q54-8p9j-x74j yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    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-5q54-8p9j-x74j 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-5q54-8p9j-x74j. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

pandao Editor.md 1.5.0 allows XSS via the Javascript: string.
O3 Security · Impact-Aware SCA

Is GHSA-5q54-8p9j-x74j in your dependencies?

O3 detects GHSA-5q54-8p9j-x74j across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.