CVE-2026-29113
MEDIUM
GHSA-vg3j-hpm9-8v5v
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Lifecycle Timeline
3Description
Craft is a content management system (CMS). Prior to 4.17.4 and 5.9.7, Craft CMS has a CSRF issue in the preview token endpoint at /actions/preview/create-token. The endpoint accepts an attacker-supplied previewToken. Because the action does not require POST and does not enforce a CSRF token, an attacker can force a logged-in victim editor to mint a preview token chosen by the attacker. That token can then be used by the attacker (without authentication) to access previewed/unpublished content tied to the victim’s authorized preview scope. This vulnerability is fixed in 4.17.4 and 5.9.7.
Analysis
Unauthenticated attackers can generate preview tokens in Craft CMS versions prior to 4.17.4 and 5.9.7 by exploiting a CSRF vulnerability in the /actions/preview/create-token endpoint, which lacks proper token validation and HTTP method restrictions. An attacker can force a logged-in editor to create an attacker-controlled preview token that grants unauthorized access to unpublished content. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens are enforced.
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External POC / Exploit Code
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