CVE-2018-11471: Cockpit 0.5.5 has XSS via a collection, form, or region.

Routine

MEDIUM 5.4DOWNGRADE

CVE-2018-11471 is a medium-severity flaw (CVSS 5.4) affecting cockpit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cockpit 0.5.5 has XSS via a collection, form, or region.

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	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-05-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: getcockpit

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

Am I affected?

Timeline

2018-05-25 19:29 UTCPublished CVE record published
2026-06-17 01:36 UTCUpdated Record last modified

getcockpit cockpit DOWNGRADE

Affected: 0.5.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.5 (Debian / Ubuntu)

apt-cache madison cockpit sudo apt install cockpit=<VERSION_BEFORE_0.5.5> sudo apt-mark hold cockpit

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

dnf --showduplicates list cockpit sudo dnf downgrade cockpit-<VERSION_BEFORE_0.5.5> sudo dnf versionlock add cockpit

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-2018-11471?

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

Is CVE-2018-11471 being exploited?

CVE-2018-11471 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-2018-11471 affect?

CVE-2018-11471 affects cockpit. Severity is medium (CVSS 5.4). Cockpit 0.5.5 has XSS via a collection, form, or region.

How urgent is CVE-2018-11471?

Priority 35/100. Public exploit reference

Related CVEs

CVE-2026-31891 HIGH 7.7 UPGRADE Cockpit is a headless content management system
CVE-2024-6656 CRITICAL 9.8 UPGRADE Use of Hard-coded Credentials vulnerability in TNB Mobile Solutions Cockpit Software allows Read Sensitive Str
CVE-2024-4825 CRITICAL 9.8 DOWNGRADE A vulnerability has been discovered in Agentejo Cockpit CMS v0.5.5 that consists in an arbitrary file upload i
CVE-2024-2001 MEDIUM 5.5 DOWNGRADE A Cross-Site Scripting vulnerability in Cockpit CMS affecting version 2.7.0
CVE-2024-1272 HIGH 7.5 UPGRADE Inclusion of Sensitive Information in Source Code vulnerability in TNB Mobile Solutions Cockpit Software allow

References

← Back to latest CVEs