Craft Cms
CVE-2026-29113
MEDIUM
GHSA-vg3j-hpm9-8v5v
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Lifecycle Timeline
3DescriptionGitHub Advisory
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 That token can then be used by the attacker (without authentication) to access previewed/unpublished content tied to the victim’s authorized preview scope.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.
AnalysisAI
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attacker can force a logged-in editor to create an attacker-controlled preview token that grants unauthorized access to unpublished content. This attack requires user interaction but allows the attacker to view sensitive content without authentication.
Technical ContextAI
Classified as CWE-352 (Cross-Site Request Forgery (CSRF)). Affects the preview token component of Craft Cms. 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 That token can then be used by the attacker (without authentication) to access previewed/unpublished content t
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 4.17.4. Restrict network access to the affected service where possible.
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External POC / Exploit Code
Leaving vuln.today