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Leafletjs Review

Worth it

Should I use Leafletjs?

Open-source JavaScript library for mobile-friendly interactive maps - leafletjs.com

· 2 days ago

Developers building custom web maps adopt this because it is free, proven, and lightweight. Non-developers who need maps without code pick a no-code map builder instead.

Confidence

Medium. Based on 30 public sources; most snippets were truncated.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Open source

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Dev teams adding maps to web apps
  • Mobile-first map sites
  • OpenStreetMap-based projects
  • Teams avoiding map API fees

Not for

  • Non-technical teams that need maps without code
  • Buyers wanting vendor SLAs and support contracts
  • Teams needing 3D or heavy vector tile maps
  • Anyone expecting a finished out-of-the-box product

Gotchas - check before you buy

medium

CVE-2025-69993 (CVSS 6.1) XSS via bindPopup affects versions through 1.9.4. Update first.

low

Popup strings need escaping; docs carry a security note on untrusted content.

low

No paid support tier; help depends on GitHub issues and community goodwill.

low

Open Collective funding means no SLA or uptime guarantees.

Pros and cons

Pros

  • Free and open source with no license fees.
  • Large plugin ecosystem extends the core library.
  • Users describe it as more user-friendly than competing map libraries.
  • Official tutorials, examples, and reference docs are extensive.
  • Built for mobile-friendly interactive maps.

Cons

  • It is a code library, not a finished product.
  • No vendor support; you depend on community help.
  • Versions up to 1.9.4 carry a known XSS flaw.
  • Project funding relies on donations, raising maintenance concerns.

Sources & method

- 9 sources - One medium XSS vulnerability (CVE-2025-69993, CVSS 6.1) affects versions up to 1.9.4; the team published a statement.

official x3review x3security x2news x1
  • CVE-2025-69993: XSS via bindPopup, Versions up to and including 1.9.4 are vulnerable. CVSS score is 6.1. Escape popup content and update.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 9

    Sources

  • Analyzed

  • Value for money: 5/5. Free, open source, no license fees.
  • Ease of use: 4/5. Users call it more user-friendly than rivals.
  • Feature depth: 3/5. Lightweight core; plugins add the depth.
  • Support quality: 3/5. Community support only; no vendor contract.
  • Security posture: 3/5. One medium XSS CVE; fix guidance published.
  • $0 Price Free, open source
  • 6.1 CVSS Latest CVE severity CVE-2025-69993, medium
  • 2016 Stable 1.0 release Announced Sep 27, 2016

Pricing

Open source

$0

  • Full mapping library
  • Entire plugin ecosystem
  • Community support only

Security

One medium XSS vulnerability (CVE-2025-69993, CVSS 6.1) affects versions up to 1.9.4; the team published a statement.

  • CVE-2025-69993: XSS via bindPopupVersions up to and including 1.9.4 are vulnerable. CVSS score is 6.1. Escape popup content and update.⁶

What users say

Developers on Reddit and G2 call Leaflet simple and user-friendly, while some raise long-term funding concerns.

Alternatives

Compare Leafletjs with each alternative.

  • MapLibre GL JS

    Guess: better for 3D and GPU-rendered vector maps.

  • OpenFreeMap

    Guess: free map tiles without key or billing setup.

  • Google Maps Platform

    Guess: vendor-backed maps for teams that want SLAs.

Companies that use it

  • iMEDD
Full analysis

Based on 30 public sources; most snippets were truncated.

Free open-source JavaScript map library. Great fit if you have a developer. Wrong pick for no-code needs.

Methodology

Based on 30 public sources; most snippets were truncated.

Read how a report is made.

Sources

  1. Leaflet official siteleafletjs.com
    official
  2. Leaflet GitHub repositorygithub.com
    official
  3. Leaflet plugins pageleafletjs.com
    official
  4. Leaflet.js Reviews on G2g2.com
    review
  5. Reddit r/gis on Leaflet user-friendlinessreddit.com
    review
  6. GHSA-h5cx-hfj5-x8v3 advisorygithub.com
    security
  7. CVE-2025-69993 on NVDnvd.nist.gov
    security
  8. Maintainer funding discussiongithub.com
    news
  9. SourceForge Leaflet vs OpenFreeMapsourceforge.net
    review

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