CVE-2026-85600

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

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 2.0.19 (versions ≤ 2.0.17) is vulnerable to remote code execution via the Twig sort filter. The sortFunc wrapper in GravExtension.php hardcodes Twig's isSandboxed argument to false, allowing a plain function name to pass the sandbox—unlike |map, |filter, and |reduce. The denylist miss...

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-2026-85602 Grav Form Plugin before 9.1.20 reCAPTCHA v3 Authentication Bypass

The Grav Form plugin getgrav/grav-plugin-form versions 8.0.6 through 9.1.19 select the reCAPTCHA version to validate based solely on which response field key is present in the submitted payload. On a site configured for reCAPTCHA v3, an anonymous attacker can place their v3 token under the v2 fie...

EUVD-2026-71025

The Grav Form plugin getgrav/grav-plugin-form versions 8.0.6 through 9.1.19 select the reCAPTCHA version to validate based solely on which response field key is present in the submitted payload. On a site configured for reCAPTCHA v3, an anonymous attacker can place their v3 token under the v2 fie...

CVE-2026-85602 Grav Form Plugin before 9.1.20 reCAPTCHA v3 Authentication Bypass

The Grav Form plugin getgrav/grav-plugin-form versions 8.0.6 through 9.1.19 select the reCAPTCHA version to validate based solely on which response field key is present in the submitted payload. On a site configured for reCAPTCHA v3, an anonymous attacker can place their v3 token under the v2 fie...

CVE-2026-85602

CVE-2026-85602 affects the Grav Form plugin (getgrav/grav-plugin-form) versions 8.0.6 through 9.1.19 . The plugin selects which reCAPTCHA validation branch to execute based solely on the field key present in the submitted payload. On a site configured for reCAPTCHA v3 , an unauthenticated attacke...

CVE-2026-85603

Grav versions before 1.10.55 contain a path traversal vulnerability in the admin plugin's Save As action. The root cause is a missing validation of the language code (lang) POST field, allowing an authenticated user with the admin.pages.create permission to inject directory traversal sequences. T...

CVE-2026-85601 Grav Admin before 2.0.20 Cross-Site Scripting via marked.js

Grav Admin before 2.0.20 fails to sanitize output from marked.parse before injecting it into the DOM via Svelte's @html directive in MarkdownEditor and MarkdownModal components. Attackers can inject javascript: URI schemes in plugin or theme changelogs to execute arbitrary code in authenticated...

CVE-2026-85601 Grav Admin before 2.0.20 Cross-Site Scripting via marked.js

Grav Admin before 2.0.20 fails to sanitize output from marked.parse before injecting it into the DOM via Svelte's @html directive in MarkdownEditor and MarkdownModal components. Attackers can inject javascript: URI schemes in plugin or theme changelogs to execute arbitrary code in authenticated...

CVE-2026-85601

Grav Admin versions before 2.0.20 contain a cross-site scripting (XSS) vulnerability in the MarkdownEditor and MarkdownModal components. The root cause is unsanitized output from marked.parse() being injected into the DOM via Svelte's {@html} directive. Attackers can exploit this by injecting jav...

CVE-2026-85599 Grav Shortcode Core before 6.2.5 Stored XSS via unescaped parameters

Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the lorem tag parameter and details summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browser...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-85600

Grav Admin (getgrav/grav-plugin-admin2) versions ≤ 2.0.19 contain a stored XSS vulnerability in the tHtml() function (src/lib/stores/i18n.svelte.ts). The function substitutes untrusted parameters—such as usernames—into translation templates before parsing the result as markdown. Grav's server-sid...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-85599

Grav Shortcode Core before version 6.2.5 is vulnerable to stored XSS in two shortcode parameters: the [lorem] tag parameter and the [details] summary parameter. These values are written to rendered pages without escaping, allowing an attacker with page-edit access to inject arbitrary HTML and Jav...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

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...

CVE-2026-85598

Grav (a flat-file CMS) versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages . Authenticated users with page-edit rights can store Twig-assembled XSS payloads in modular pages that execute in visitor browsers—including administrator sessions —when the parent page is...