Vulnerability details

CVE-2026-92593

craftcms cms

Craft CMS 5.10.0 before 5.10.13 Authenticated Remote Code Execution

CVSS 4.0

8.7High

Official description

Craft CMS versions 5.10.0 through 5.10.12 contain an incomplete fix for CVE-2026-55794: the Controller::getPostedRedirectUrl() -> View::renderObjectTemplate() sink remained unsandboxed, and the same fix commit added a self-signing oracle in Cp::elementLabelHtml(). Because Craft/Yii HMAC tokens are not bound to a parameter name, an authenticated low-privilege control panel user with edit rights on a single element type can mint a token over attacker-controlled Twig for the returnUrl parameter and replay it as the redirect POST parameter, reaching the unsandboxed sink and achieving server-side template injection that executes arbitrary PHP code (full server compromise). The issue is fixed in 5.10.13.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
craftcms	cms	5.10.0 ≤ v < 5.10.13	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/craftcms/cms/security/advisories/GHSA-5jmw-g85v-7jv2 vendor-advisory
https://www.vulncheck.com/advisories/craft-cms-5.10.0-before-5.10.13-authenticated-remote-code-execution third-party-advisory

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Details

Published: 2026-09-17
Last updated: 2026-09-17
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.54%

Probability of exploitation in 30 days

46.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-94
Improper Control of Generation of Code ('Code Injection')