Vulnerability Database · npm · Package report
mutationobserver-shim: vulnerability history, versions and safety
mutationobserver-shim is a package in the npm ecosystem. Vulert holds no vulnerabilities for it yet.
Nothing recorded for this package in the npm ecosystem.
Every vulnerability has a patched version to move to.
No published version shipped hostile code.
Vulert verdict on mutationobserver-shim 0.3.7 i
Updated on 23 Oct 2026
Good news: 0.3.7, the version you would install today, has no known vulnerabilities.
- Security Minor issues
- Maintenance Unmaintained
- Popularity Widely used
- Community Inactive
What to do: Stay on 0.3.7 or newer. This can change: a vulnerability disclosed tomorrow can affect 0.3.7 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →
- Current release 0.3.7 — unaffected i
- Vulnerabilities on record 0 i
- Highest CVSS n/a i
- With no published fix 0 i
- Depended on by 6,575 packages i
- Stars 335 i
- OpenSSF scorecard 1/10 i
- Last release 76 months ago i
- Licence MIT i
Version list, release dates, licence and dependants published by the npm registry, refreshed 23 Oct 2026. Licence information is not legal advice.
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01 Versions
Which versions are affected
Every version Vulert tracks for mutationobserver-shim, newest first, with the vulnerabilities recorded against each one. A version showing none has no vulnerability in the Vulert database — open it for the full picture on that release.
- 0.3.7 09 Jun 2020
- 0.3.6 09 Jun 2020
- 0.3.5 31 Mar 2020
- 0.3.3 15 Jan 2019
- 0.3.2 02 Oct 2016
- 0.3.1 30 Jan 2015
- 0.3.0 29 Jan 2015
- 0.2.8 20 Sep 2014
- 0.2.7 09 Sep 2014
| Version | Released | Vulert vulnerabilities | Licence | Fix published | Details |
|---|---|---|---|---|---|
| 0.3.7 | 09 Jun 2020 | none | MIT | — | Details → |
| 0.3.6 | 09 Jun 2020 | none | MIT | — | Details → |
| 0.3.5 | 31 Mar 2020 | none | MIT | — | Details → |
| 0.3.3 | 15 Jan 2019 | none | MIT | — | Details → |
| 0.3.2 | 02 Oct 2016 | none | WTFPL | — | Details → |
| 0.3.1 | 30 Jan 2015 | none | WTFPL | — | Details → |
| 0.3.0 | 29 Jan 2015 | none | WTFPL | — | Details → |
| 0.2.8 | 20 Sep 2014 | none | WTFPL | — | Details → |
| 0.2.7 | 09 Sep 2014 | none | WTFPL | — | Details → |
All 9 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
No dated vulnerabilities are recorded for this package yet.
03 Vulnerabilities
Recorded vulnerabilities for mutationobserver-shim
No vulnerabilities match this view.
Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback
Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315
Questions
About mutationobserver-shim
Is mutationobserver-shim safe to use?
Vulert has no vulnerabilities on record for mutationobserver-shim in npm at this point. That is a good signal rather than a guarantee: new vulnerabilities are published for packages all the time, so the versions you actually run are still worth monitoring.
What is mutationobserver-shim's Vulert package health score?
Vulert scores mutationobserver-shim 53/100, which reads as usable, but worth attention. The score weighs the vulnerability record (40), maintenance and release cadence (25), adoption from dependents and stars (20) and community signals such as the OpenSSF scorecard and forks (15).
Is the latest version of mutationobserver-shim affected?
No. 0.3.7, the version you would install today, has no vulnerabilities on record against it. Earlier releases do — the version table above lists each release with what affects it.
Which version of mutationobserver-shim should I use?
0.3.7 is the version Vulert recommends for the affected releases. The version table above lists every release with the vulnerabilities recorded against it, so you can confirm the range you actually run.
How many vulnerabilities does mutationobserver-shim have?
0 vulnerabilities are recorded for mutationobserver-shim in the npm ecosystem: 0 critical, 0 high, 0 medium and 0 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.
How often are new mutationobserver-shim vulnerabilities disclosed?
0 vulnerabilities were recorded for mutationobserver-shim in the last 12 months. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.
Which versions of mutationobserver-shim are affected?
Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.
How do I monitor mutationobserver-shim for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the mutationobserver-shim version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.