Cross-Site Scripting Vulnerability in Craft CMS by Pixel & Tonic
CVE-2026-33051

5.3MEDIUM

Key Information:

Vendor

Craftcms

Status
Cms
Vendor
CVE Published:
20 March 2026

What is CVE-2026-33051?

Craft CMS versions from 5.9.0-beta.1 to 5.9.10 are susceptible to a cross-site scripting issue due to improper handling of user input in the element editor. This vulnerability allows low-privilege users to exploit the profile editor to inject malicious scripts. When an admin's session is compromised, the attack could escalate, granting unauthorized access to admin functionalities. The issue has been addressed in version 5.9.11, underscoring the importance of keeping systems updated to mitigate potential security risks.

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Deploy the Patch

Affected Version(s)

cms >= 5.9.0-beta.1, < 5.9.11

References

https://github.com/craftcms/cms/security/advisories/GHSA-...
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https://github.com/craftcms/cms/commit/f634a9d21edcafd83a...
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https://github.com/craftcms/cms/releases/tag/5.9.11
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CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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