CVE-2017-1000426: MapProxy version 1.10.3 and older is vulnerable to a Cross Site Scripting attack in the demo service resulting

Q: How do I fix CVE-2017-1000426?

mapproxy: upgrade to newer than 1.10.3. Exact commands for each OS are on this page.

Q: Is CVE-2017-1000426 being exploited?

CVE-2017-1000426 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-1000426 affect?

CVE-2017-1000426 affects mapproxy. Severity is medium (CVSS 6.1). MapProxy version 1.10.3 and older is vulnerable to a Cross Site Scripting attack in the demo service resulting in possible information disclosure.

Q: How urgent is CVE-2017-1000426?

Priority 40/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2017-1000426 is a medium-severity flaw (CVSS 6.1) affecting mapproxy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MapProxy version 1.10.3 and older is vulnerable to a Cross Site Scripting attack in the demo service resulting in possible information disclosure.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-01-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: omniscale

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

Am I affected?

Timeline

2018-01-02 21:29 UTCPublished CVE record published
2026-06-17 00:59 UTCUpdated Record last modified

omniscale mapproxy UPGRADE

Affected: <= 1.10.3

Fixed in: newer than 1.10.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.10.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mapproxy

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mapproxy

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2017-1000426?

mapproxy: upgrade to newer than 1.10.3. Exact commands for each OS are on this page.

Is CVE-2017-1000426 being exploited?

CVE-2017-1000426 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-2017-1000426 affect?

CVE-2017-1000426 affects mapproxy. Severity is medium (CVSS 6.1). MapProxy version 1.10.3 and older is vulnerable to a Cross Site Scripting attack in the demo service resulting in possible information disclosure.

How urgent is CVE-2017-1000426?

Priority 40/100. Public exploit reference

References

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