GHSA-4p24-vmcr-4gqj
MEDIUMGHSA-4p24-vmcr-4gqj is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in org.webjars:bootstrap. 2 public exploit references exist, so weaponization risk is real. O3 Security confirms whether GHSA-4p24-vmcr-4gqj is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Bootstrap Cross-site Scripting vulnerability
Blast Radius
org.webjars:bootstrap☕org.webjars:bootstrap📦bootstrap📦bootstrap📦bootstrap-sass.NETbootstrap.NETbootstrap.NETbootstrap.sass+4 moreReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven, npm packages — download data is not available via public APIs for these ecosystems.
Description
In Bootstrap 2.x from 2.0.4, 3.x before 3.4.0 and 4.x-beta before 4.0.0-beta.2, XSS is possible in the data-target attribute. Note that this is a different vulnerability than CVE-2018-14041.
See https://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/ for more info.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.webjars:bootstrap | ≥ 2.0.4&&< 3.4.0 | 3.4.0 |
| ☕Maven | org.webjars:bootstrap | ≥ 4.0.0-beta&&< 4.0.0-beta.2 | 4.0.0-beta.2 |
| 📦npm | bootstrap | ≥ 2.0.4&&< 3.4.0 | 3.4.0 |
| 📦npm | bootstrap | ≥ 4.0.0-beta&&< 4.0.0-beta.2 | 4.0.0-beta.2 |
| 📦npm | bootstrap-sass | ≥ 2.0.4&&< 3.4.0 | 3.4.0 |
| .NETNuGet | bootstrap | ≥ 2.0.4&&< 3.4.0 | 3.4.0 |
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 dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.webjars:bootstrap. 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.
Fix
Update org.webjars:bootstrap to 3.4.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-4p24-vmcr-4gqj is resolved across your whole dependency graph.
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.
How O3 protects you
O3 pinpoints whether GHSA-4p24-vmcr-4gqj 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-4p24-vmcr-4gqj. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-4p24-vmcr-4gqj in your dependencies?
O3 detects GHSA-4p24-vmcr-4gqj across Maven, npm, NuGet dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.