EUVD-2026-81293

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...

EUVD-2026-81290

Craft CMS versions from 5.7.0 before 5.10.13 contain a stored cross-site scripting vulnerability in the Generated Fields feature that disables Twig autoescaping and fails to encode cached values. Content editors can inject malicious JavaScript through editable fields that executes in authenticate...

EUVD-2026-81292

Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose Yii's cookieValidationKey is derived from...

CVE-2026-92917: Exposure of Sensitive Information to an Unauthorized Actor

Grav is a flat-file CMS. In versions 2.0.0-rc.1 through 2.0.21, the Twig content sandbox fails to restrict the dump and serialize filters printr, vardump, jsonencode, yamlencode, string: GravExtension::assertSandboxDumpSafe determines sandbox state by calling SandboxExtension::isSandboxed without...

CVE-2026-92592

Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose Yii's cookieValidationKey is derived from...

CVE-2026-92593

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...

CVE-2026-92590

Craft CMS versions from 5.7.0 before 5.10.13 contain a stored cross-site scripting vulnerability in the Generated Fields feature that disables Twig autoescaping and fails to encode cached values. Content editors can inject malicious JavaScript through editable fields that executes in authenticate...

Grav: XSS Blueprint Validation Bypass via Twig String Concatenation

Summary The XSS blueprint validator Security::detectXss runs on the raw page content before Twig processing. An attacker can use Twig's string concatenation operator to dynamically construct an event handler name at render time. The validator sees "on" "error" - a harmless Twig expression - and...

EUVD-2026-44650

Grav: XSS Blueprint Validation Bypass via Twig String Concatenation...

GHSA-2C4F-86XC-CR74 Grav: XSS Blueprint Validation Bypass via Twig String Concatenation

Summary The XSS blueprint validator Security::detectXss runs on the raw page content before Twig processing. An attacker can use Twig's string concatenation operator to dynamically construct an event handler name at render time. The validator sees "on" "error" - a harmless Twig expression - and...

CVE-2026-92593 Craft CMS 5.10.0 before 5.10.13 Authenticated Remote Code Execution

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...

CVE-2026-92593 Craft CMS 5.10.0 before 5.10.13 Authenticated Remote Code Execution

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...

CVE-2026-92592 Craft CMS before 4.18.6 Remote Code Execution via signed cookie

Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose Yii's cookieValidationKey is derived from...

CVE-2026-92592

Craft CMS 4.8.0–4.18.5 and 5.0.0–5.10.12 are affected by a remote code execution vulnerability (CVSS 3.1 score 8.8 High ). The root cause is that the HMAC signature for the license-shun cookie is not bound to its purpose—Yii's cookieValidationKey derives from the same Craft securityKey used for s...

CVE-2026-92592 Craft CMS before 4.18.6 Remote Code Execution via signed cookie

Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose Yii's cookieValidationKey is derived from...

CVE-2026-92592 Craft CMS before 4.18.6 Remote Code Execution via signed cookie

Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose Yii's cookieValidationKey is derived from...

CVE-2026-92590 Craft CMS 5.7.0 before 5.10.13 Stored XSS via Generated Fields

Craft CMS versions from 5.7.0 before 5.10.13 contain a stored cross-site scripting vulnerability in the Generated Fields feature that disables Twig autoescaping and fails to encode cached values. Content editors can inject malicious JavaScript through editable fields that executes in authenticate...

CVE-2026-92590

Craft CMS versions 5.7.0 through 5.10.12 are affected by a stored cross-site scripting (XSS) vulnerability in the Generated Fields feature. The root cause is the disabling of Twig autoescaping combined with a failure to encode cached values , allowing content editors to inject malicious JavaScrip...

CVE-2026-92590 Craft CMS 5.7.0 before 5.10.13 Stored XSS via Generated Fields

Craft CMS versions from 5.7.0 before 5.10.13 contain a stored cross-site scripting vulnerability in the Generated Fields feature that disables Twig autoescaping and fails to encode cached values. Content editors can inject malicious JavaScript through editable fields that executes in authenticate...

CVE-2026-92590 Craft CMS 5.7.0 before 5.10.13 Stored XSS via Generated Fields

Craft CMS versions from 5.7.0 before 5.10.13 contain a stored cross-site scripting vulnerability in the Generated Fields feature that disables Twig autoescaping and fails to encode cached values. Content editors can inject malicious JavaScript through editable fields that executes in authenticate...