validator

13.15.35 · 2 Apr 2026MIT35M / weekRepository npm Atom feed

Upgrading validator From 4.9.0 to 5.0.0

Same major only

1 release in betweenevery note read

Reading releases, release notes and advisories…

Other targets from 4.9.0Clears its 3 advisories13.15.22 Latest13.15.35

The note of 5.0.0 lists no breaking change or deprecation, which is rare for a major.

4.9.0yours
5.0.0target

?
changes to make: 0
advisories fixed: 1
new: 1
fix

Security

3 advisories still affect 5.0.0

validator.js has a URL validation bypass vulnerability in its isURL functionmoderate · GHSA-9965-vmph-33xx
Inefficient Regular Expression Complexity in validator.jsmoderate · GHSA-qgmg-gppg-76g5
Validator is Vulnerable to Incomplete Filtering of One or More Instances of Special Elementshigh · GHSA-vghf-hv5q-vc2g

Upgrading to 13.15.22 clears them.

Release by release

5.0.0
21 Feb 20161 new · 1 fix
- new
  Added Arabic locales to isAlpha() and isAlphanumeric()
- fixed
  Fix validation of very large base64 strings

4 other lines we could not sort, mostly version bumps

Migrate to ES6
5.0.0
Break the library up so that individual functions can be imported
5.0.0
Remove auto-coercion of input to a string
5.0.0
Remove the extend() function
5.0.0

Upgrade to 5.0.0

npm install validator@5.0.0

What 5.0.0 needs

Reading 5.0.0's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 5.0.0. Read once, not stored.

After upgrading

Run the type checker, the linter and the tests.
Build, and look for new deprecation warnings.
Update peer dependencies the new version asks for.
3 advisories still affect 5.0.0.