CVE-2018-16726: razorCMS 3.4.7 allows HTML injection via the description of the homepage within the settings component.

Routine

MEDIUM 5.4DOWNGRADE

CVE-2018-16726 is a medium-severity flaw (CVSS 5.4) affecting razorcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

razorCMS 3.4.7 allows HTML injection via the description of the homepage within the settings component.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-09-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: razorcms

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

Am I affected?

Timeline

2018-09-12 16:29 UTCPublished CVE record published
2026-06-17 01:44 UTCUpdated Record last modified

razorcms razorcms DOWNGRADE

Affected: 3.4.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.4.7 (Debian / Ubuntu)

apt-cache madison razorcms sudo apt install razorcms=<VERSION_BEFORE_3.4.7> sudo apt-mark hold razorcms

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

dnf --showduplicates list razorcms sudo dnf downgrade razorcms-<VERSION_BEFORE_3.4.7> sudo dnf versionlock add razorcms

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-2018-16726?

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

Is CVE-2018-16726 being exploited?

CVE-2018-16726 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-2018-16726 affect?

CVE-2018-16726 affects razorcms. Severity is medium (CVSS 5.4). razorCMS 3.4.7 allows HTML injection via the description of the homepage within the settings component.

How urgent is CVE-2018-16726?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2018-19906 MEDIUM 5.4 DOWNGRADE Stored XSS exists in razorCMS 3.4.8 via the /#/page description parameter.
CVE-2018-19905 MEDIUM 5.4 DOWNGRADE HTML injection exists in razorCMS 3.4.8 via the /#/page keywords parameter.
CVE-2018-17986 HIGH 8.8 DOWNGRADE rars/user/data in razorCMS 3.4.8 allows CSRF for changing the password of an admin user.
CVE-2018-16727 MEDIUM 5.4 DOWNGRADE razorCMS 3.4.7 allows Stored XSS via the keywords of the homepage within the settings component.

References

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