CVE-2026-86197: Improper Neutralization of Input During Web Page Generation

Grav before 2.0.20 contains a cross-site scripting vulnerability in the Twig sandbox policy that allowlists addJs and addCss methods on Grav\Common\Assets without proper output escaping. Page editors can inject arbitrary script by registering malicious assets or injecting attributes, which are...

CVE-2026-52762: Improper Neutralization of Special Elements Used in a Template Engine

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection SSTI vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution RCE. An authenticated administrator can place arbitrary Twig...

PT-2026-86422

Grav before 2.0.20 contains a cross-site scripting vulnerability in the Twig sandbox policy that allowlists addJs and addCss methods on GravCommonAssets without proper output escaping. Page editors can inject arbitrary script by registering malicious assets or injecting attributes, which are...

CVE-2026-52762 YesWiki: Authenticated (Admin) Server-Side Template Injection to Remote Code Execution via Bazar Semantic Templates

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection SSTI vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution RCE. An authenticated administrator can place arbitrary Twig...

EUVD-2026-71797

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection SSTI vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution RCE. An authenticated administrator can place arbitrary Twig...

CVE-2026-52762

YesWiki (PHP wiki system) prior to version 4.6.6 is affected by a stored Server-Side Template Injection (SSTI) in the Bazar semantic template feature. An authenticated administrator can inject arbitrary Twig expressions into the bn_sem_template field, which are later executed server-side via Temp...

CVE-2026-52762 YesWiki: Authenticated (Admin) Server-Side Template Injection to Remote Code Execution via Bazar Semantic Templates

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection SSTI vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution RCE. An authenticated administrator can place arbitrary Twig...

CVE-2026-52762 YesWiki: Authenticated (Admin) Server-Side Template Injection to Remote Code Execution via Bazar Semantic Templates

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki Bazar contains a stored Server-Side Template Injection SSTI vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution RCE. An authenticated administrator can place arbitrary Twig...

CVE-2026-46636

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

CVE-2026-46636 Twig: Sandbox method allowlist bypass via `Markup` subclass

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

CVE-2026-46636

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

EUVD-2026-71779

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

CVE-2026-46636

Twig , a PHP template language, is affected in versions 1.0.0 through 3.27.0 . The vulnerability stems from SecurityPolicy::checkMethodAllowed() unconditionally whitelisting all method calls on Twig\Markup instances. Because Twig\Markup is not final, subclasses inherit this bypass, exposing every...

CVE-2026-46636 Twig: Sandbox method allowlist bypass via `Markup` subclass

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

CVE-2026-46636 Twig: Sandbox method allowlist bypass via `Markup` subclass

Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a...

CVE-2026-85604

Grav before 2.0.18 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...

CVE-2026-85598

Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent...

EUVD-2026-71027

Grav before 2.0.19 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...

CVE-2026-85604 Grav before 2.0.18 Remote Code Execution via sort filter

Grav before 2.0.18 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...

CVE-2026-85604 Grav before 2.0.18 Remote Code Execution via sort filter

Grav before 2.0.18 affected versions = 2.0.17 contains a remote code execution vulnerability in the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, so unlike |map/|filter/|reduce, |sort accepts a plain function name inside the sandbox; t...