CVE-2018-5370: BizLogic xnami 1.0 has XSS via the comment parameter in an addComment action to the /media/ajax URI.

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MEDIUM 6.1DOWNGRADE

CVE-2018-5370 is a medium-severity flaw (CVSS 6.1) affecting xnami. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BizLogic xnami 1.0 has XSS via the comment parameter in an addComment action to the /media/ajax URI.

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	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-01-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bizlogicdev

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

Am I affected?

Timeline

2018-01-16 19:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

bizlogicdev xnami DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison xnami sudo apt install xnami=<VERSION_BEFORE_1.0> sudo apt-mark hold xnami

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

dnf --showduplicates list xnami sudo dnf downgrade xnami-<VERSION_BEFORE_1.0> sudo dnf versionlock add xnami

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Xnami 1.0 - Cross-Site Scripting

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-2018-5370?

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

Is CVE-2018-5370 being exploited?

CVE-2018-5370 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-2018-5370 affect?

CVE-2018-5370 affects xnami. Severity is medium (CVSS 6.1). BizLogic xnami 1.0 has XSS via the comment parameter in an addComment action to the /media/ajax URI.

How urgent is CVE-2018-5370?

Priority 47/100. Public exploit reference

References

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