What is CVE-2017-1000043?

CVE-2017-1000043 is a medium-severity vulnerability in Mapbox Mapbox.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-17.

How severe is CVE-2017-1000043?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mapbox Mapbox.js

CVE-2017-1000043

Mapbox.js versions 1.x prior to 1.6.6 and 2.x prior to 2.2.4 are vulnerable to a cross-site-scripting attack in certain uncommon usage scenarios via TileJSON name and map share control

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (60.4th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Mapbox Mapbox.js

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

nodesecurity.io/advisories/74 (Third Party Advisory)
hackerone.com/reports/99245 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-1000043?: CVE-2017-1000043 is a medium-severity vulnerability in Mapbox Mapbox.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-17.
How severe is CVE-2017-1000043?: Medium severity. CVSS v3 base score is 6.1 out of 10.