Craft CMS has potential authenticated Remote Code Execution via Twig SSTI

For this to work, the attacker must have administrator access to the Craft Control Panel, and allowAdminChanges must be enabled, which is against Craft CMS' recommendations for any non-dev environment. https://craftcms.com/knowledge-base/securing-craftset-allowAdminChanges-to-false-in-production...

Template Injection

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Template Injection via the map filter in Twig templates when processing text fields that accept Twig input in the control panel settings or through the System Messages utility. An attacker ca...

Template Injection

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Template Injection via the Twig function blocklist bypass. An attacker can execute arbitrary code, read files, or perform server-side request forgery by invoking unblocked PHP functions throu...

GHSA-5FVC-7894-GHP4 Craft CMS has Twig Function Blocklist Bypass

Craft CMS implements a blocklist to prevent potentially dangerous PHP functions from being called via Twig non-Closure arrow functions. In order to be able to successfully execute this attack, you need to either have allowAdminChanges enabled on production, or a compromised admin account, or an...

Craft CMS has Twig Function Blocklist Bypass

Craft CMS implements a blocklist to prevent potentially dangerous PHP functions from being called via Twig non-Closure arrow functions. In order to be able to successfully execute this attack, you need to either have allowAdminChanges enabled on production, or a compromised admin account, or an...

GHSA-V47Q-JXVR-P68X Craft CMS Vulnerable to Authenticated RCE via "craft.app.fs.write()" in Twig Templates

Summary An authenticated administrator can achieve Remote Code Execution RCE by injecting a Server-Side Template Injection SSTI payload into Twig template fields e.g., Email Templates. By calling the craft.app.fs.write method, an attacker can write a malicious PHP script to a web-accessible...

Craft CMS Vulnerable to Authenticated RCE via "craft.app.fs.write()" in Twig Templates

Summary An authenticated administrator can achieve Remote Code Execution RCE by injecting a Server-Side Template Injection SSTI payload into Twig template fields e.g., Email Templates. By calling the craft.app.fs.write method, an attacker can write a malicious PHP script to a web-accessible...

Template Injection

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Template Injection via the craft.app.fs.write function in Twig templates. An attacker can execute arbitrary system commands and disclose sensitive information by injecting malicious payloads...

GHSA-4MGV-366X-QXVX Craft CMS Vulnerable to Stored XSS in Settings Names and Field Options

Overview of all XSS Reports Multiple stored XSS vulnerabilities were found in Craft CMS. They were split into 4 reports as follows: | Report | What's Vulnerable | Why Separate | |--------|-------------------|--------------| | This Report 1 | Multiple settings names | Twig Template:...

GHSA-94RC-CQVM-M4PW Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget

There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the create Twig function combined with a Symfony Process gadget chain. This bypasses the fix implemented for CVE-2025-57811 patched in 5.8.7. Required Permissions - Administrator permissions or access...

Craft CMS Vulnerable to Authenticated RCE via Twig SSTI - create() function + Symfony Process gadget

There is an authenticated admin RCE in Craft CMS 5.8.21 via Server-Side Template Injection using the create Twig function combined with a Symfony Process gadget chain. This bypasses the fix implemented for CVE-2025-57811 patched in 5.8.7. Required Permissions - Administrator permissions or access...

PT-2026-22996

Name of the Vulnerable Software and Affected Versions Craft versions prior to 5.9.0 Craft versions prior to 4.17.0 Description Craft is a content management system CMS. The system uses a blocklist to prevent potentially dangerous PHP functions from being called via Twig non-Closure arrow function...

PT-2026-22997

Name of the Vulnerable Software and Affected Versions Craft CMS versions prior to 5.8.22 Craft CMS versions prior to 4.16.18 Description Craft is a content management system. A malicious payload can be crafted using the Twig map filter in text fields that accept Twig input within the Settings...

PT-2026-22947

Name of the Vulnerable Software and Affected Versions Craft CMS versions 5.8.21 Craft CMS versions prior to 4.17.0-beta.1 Craft CMS versions prior to 5.9.0-beta.1 Description Craft CMS contains an authenticated Remote Code Execution RCE issue. This occurs through Server-Side Template Injection...

PT-2026-22949

Name of the Vulnerable Software and Affected Versions Craft versions prior to 4.17.0-beta.1 and 5.9.0-beta.1 Description A security issue exists that allows an authenticated administrator to execute arbitrary code. This is possible by injecting a Server-Side Template Injection SSTI payload into...

CVE-2026-27126

Craft is a content management system CMS. In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, a stored Cross-site Scripting XSS vulnerability exists in the editableTable.twig component when using the html column type. The application fails to sanitize the input, allowing an attack...

CVE-2026-25496

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping,...

Craft CMS Vulnerable to Stored XSS in Number Prefix & Suffix Fields

Summary A stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. Proof of Concept Required Permissions -...

CVE-2026-25496

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping,...

CVE-2026-25496

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping,...