CVE-2018-20302: An XSS issue was discovered in Steve Pallen Xain before 0.6.2 via the order parameter.

Q: How do I fix CVE-2018-20302?

xain: upgrade to 0.6.2. Exact commands for each OS are on this page.

Q: Is CVE-2018-20302 being exploited?

CVE-2018-20302 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-2018-20302 affect?

CVE-2018-20302 affects xain. Severity is medium (CVSS 6.1). An XSS issue was discovered in Steve Pallen Xain before 0.6.2 via the order parameter.

Q: How urgent is CVE-2018-20302?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2018-20302 is a medium-severity flaw (CVSS 6.1) affecting xain. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XSS issue was discovered in Steve Pallen Xain before 0.6.2 via the order parameter.

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	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-12-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: emetrotel

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

Am I affected?

Timeline

2018-12-20 00:29 UTCPublished CVE record published
2026-06-17 01:52 UTCUpdated Record last modified

emetrotel xain UPGRADE

Affected: < 0.6.2

Fixed in: 0.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 0.6.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xain

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-2018-20302?

xain: upgrade to 0.6.2. Exact commands for each OS are on this page.

Is CVE-2018-20302 being exploited?

CVE-2018-20302 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-2018-20302 affect?

CVE-2018-20302 affects xain. Severity is medium (CVSS 6.1). An XSS issue was discovered in Steve Pallen Xain before 0.6.2 via the order parameter.

How urgent is CVE-2018-20302?

Priority 41/100. Public exploit reference

References

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