CVE-2018-18276: XSS exists in the ProFiles 1.5 component for Joomla! via the name or path parameter when creating a new folder

Routine

MEDIUM 4.8DOWNGRADE

CVE-2018-18276 is a medium-severity flaw (CVSS 4.8) affecting profiles. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

XSS exists in the ProFiles 1.5 component for Joomla! via the name or path parameter when creating a new folder in the administrative panel.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-04-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: profiles project

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

Am I affected?

Timeline

2019-04-26 20:29 UTCPublished CVE record published
2026-06-17 01:46 UTCUpdated Record last modified

profiles project profiles DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison profiles sudo apt install profiles=<VERSION_BEFORE_1.5> sudo apt-mark hold profiles

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

dnf --showduplicates list profiles sudo dnf downgrade profiles-<VERSION_BEFORE_1.5> sudo dnf versionlock add profiles

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-2018-18276?

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

Is CVE-2018-18276 being exploited?

CVE-2018-18276 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-2018-18276 affect?

CVE-2018-18276 affects profiles. Severity is medium (CVSS 4.8). XSS exists in the ProFiles 1.5 component for Joomla! via the name or path parameter when creating a new folder in the administrative panel.

How urgent is CVE-2018-18276?

Priority 35/100. Public exploit reference

Software pages

Joomla vulnerabilities

References

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