CVE-2018-18551: ServersCheck Monitoring Software through 14.3.3 has Persistent and Reflected XSS via the sensors.html status p

Q: How do I fix CVE-2018-18551?

monitoring software: upgrade to newer than 14.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2018-18551 being exploited?

CVE-2018-18551 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-2018-18551 affect?

CVE-2018-18551 affects monitoring software. Severity is medium (CVSS 6.1). ServersCheck Monitoring Software through 14.3.3 has Persistent and Reflected XSS via the sensors.html status parameter, sensors.html type parameter, sensors.html device parameter, report.html location parameter, group_delete.html group para

Q: How urgent is CVE-2018-18551?

Priority 42/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2018-18551 is a medium-severity flaw (CVSS 6.1) affecting monitoring software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ServersCheck Monitoring Software through 14.3.3 has Persistent and Reflected XSS via the sensors.html status parameter, sensors.html type parameter, sensors.html device parameter, report.html location parameter, group_delete.html group parameter, report_save.html query parameter, sensors.html location parameter, or group_delete.html group 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	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-10-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: serverscheck

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

Am I affected?

Timeline

2018-10-24 22:29 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

serverscheck monitoring software UPGRADE

Affected: <= 14.3.3

Fixed in: newer than 14.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy monitoring-software || rpm -q monitoring-software || monitoring-software --version

2. UPGRADE to newer than 14.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade monitoring-software

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade monitoring-software

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-2018-18551?

monitoring software: upgrade to newer than 14.3.3. Exact commands for each OS are on this page.

Is CVE-2018-18551 being exploited?

CVE-2018-18551 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-2018-18551 affect?

CVE-2018-18551 affects monitoring software. Severity is medium (CVSS 6.1). ServersCheck Monitoring Software through 14.3.3 has Persistent and Reflected XSS via the sensors.html status parameter, sensors.html type parameter, sensors.html device parameter, report.html location parameter, group_delete.html group para

How urgent is CVE-2018-18551?

Priority 42/100. Public exploit reference

Related CVEs

CVE-2018-18552 MEDIUM 6.5 UPGRADE ServersCheck Monitoring Software through 14.3.3 allows local users to cause a denial of service (menu function
CVE-2017-17832 MEDIUM 5.4 UPGRADE ServersCheck Monitoring Software before 14.2.3 is prone to a cross-site scripting vulnerability as user suppli

References

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