CVE-2017-1000042: Mapbox.js versions 1.x prior to 1.6.5 and 2.x prior to 2.1.7 are vulnerable to a cross-site-scripting attack i

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MEDIUM 6.1DOWNGRADE

CVE-2017-1000042 is a medium-severity flaw (CVSS 6.1) affecting mapbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mapbox.js versions 1.x prior to 1.6.5 and 2.x prior to 2.1.7 are vulnerable to a cross-site-scripting attack in certain uncommon usage scenarios via TileJSON Name.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-07-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mapbox project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-07-17 13:18 UTCPublished CVE record published
2026-06-17 00:58 UTCUpdated Record last modified

mapbox project mapbox DOWNGRADE

Affected: 1.0.0 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4 · 1.1.0 · 1.2.0 · 1.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy mapbox || rpm -q mapbox || mapbox --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison mapbox sudo apt install mapbox=<VERSION_BEFORE_1.0.0> sudo apt-mark hold mapbox

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mapbox sudo dnf downgrade mapbox-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add mapbox

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-1000042?

mapbox: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-1000042 being exploited?

CVE-2017-1000042 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-1000042 affect?

CVE-2017-1000042 affects mapbox. Severity is medium (CVSS 6.1). Mapbox.js versions 1.x prior to 1.6.5 and 2.x prior to 2.1.7 are vulnerable to a cross-site-scripting attack in certain uncommon usage scenarios via TileJSON Name.

How urgent is CVE-2017-1000042?

Priority 42/100. Public exploit reference

References

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