CVE-2026-33051 Details
Description
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 in and executes a specifically crafted payload while an elevated session is active, the attacker’s account can be elevated to administrator. This issue has been fixed in version 5.9.11.
A stored cross-site scripting vulnerability has been identified in Craft CMS versions 5.9.0-beta.1 prior to 5.9.10. The issue arises in the revision/draft context menu of the element editor, where the creator's full name is rendered as raw HTML. This flaw allows a low-privileged control panel user, such as an Author, to inject an XSS payload into their full name via the profile editor. After creating an entry and saving it twice, the payload can be executed. If an administrator is logged in and the payload is executed during an elevated session, the attacker's account can be escalated to administrator privileges.
Users are advised to update Craft CMS to version 5.9.11 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 24, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/craftcms/cms/commit/f634a9d21edcafd83a6716047d275f985aba6be1 | [email protected] | Patch |
| https://github.com/craftcms/cms/releases/tag/5.9.11 | [email protected] | ProductRelease Notes |
| https://github.com/craftcms/cms/security/advisories/GHSA-3x4w-mxpf-fhqq | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| craftcms craft cms | >= 5.9.0, < 5.9.11 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 20, 2026 | Initial Analysis | [email protected] |
| Mar 20, 2026 | New CVE Received | [email protected] |