CVE-2026-33051: Craft CMS is a content management system (CMS)

Routine

MEDIUM 5.4UPGRADE

CVE-2026-33051 is a medium-severity flaw (CVSS 5.4) affecting craft cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Craft CMS is a content management system (CMS). In versions 5.9.0-beta.1 through 5.9.10, the revision/draft context menu in the element editor renders the creator’s fullName as raw HTML due to the use of Template::raw() combined with Craft::t() string interpolation. A low-privileged control panel user (e.g., Author) can set their fullName to an XSS payload via the profile editor, then create an entry with two saves. If an administrator is logged

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: craftcms

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

Am I affected?

Timeline

2026-03-20 06:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

craftcms craft cms UPGRADE

Affected: >= 5.9.0 and < 5.9.11

Fixed in: 5.9.11

Safe to downgrade to: a release before 5.9.0

1. Check installed version

apt-cache policy craft-cms || rpm -q craft-cms || craft-cms --version

2. UPGRADE to 5.9.11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade craft-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade craft-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 5.9.0 (Debian / Ubuntu)

apt-cache madison craft-cms sudo apt install craft-cms=<VERSION_BEFORE_5.9.0> sudo apt-mark hold craft-cms

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list craft-cms sudo dnf downgrade craft-cms-<VERSION_BEFORE_5.9.0> sudo dnf versionlock add craft-cms

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-2026-33051?

craft cms: upgrade to 5.9.11. Exact commands for each OS are on this page.

Is CVE-2026-33051 being exploited?

CVE-2026-33051 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-2026-33051 affect?

CVE-2026-33051 affects craft cms. Severity is medium (CVSS 5.4). Craft CMS is a content management system (CMS). In versions 5.9.0-beta.1 through 5.9.10, the revision/draft context menu in the element editor renders the creator’s fullName as raw HTML due to the use of Template::raw() combined with Craft:

How urgent is CVE-2026-33051?

Priority 23/100. No elevated risk signals yet.

Related CVEs

CVE-2026-29113 MEDIUM 4.3 UPGRADE Craft is a content management system (CMS)
CVE-2026-33162 MEDIUM 6.5 UPGRADE Craft CMS is a content management system (CMS)
CVE-2026-33161 MEDIUM 4.3 UPGRADE Craft CMS is a content management system (CMS)
CVE-2026-33160 MEDIUM 5.3 UPGRADE Craft CMS is a content management system (CMS)
CVE-2026-33159 MEDIUM 6.5 UPGRADE Craft CMS is a content management system (CMS)

References

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