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...

EUVD-2026-71023

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 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...

EUVD-2026-71021

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 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 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...

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...

PT-2026-85502

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-2026-85601: Improper Neutralization of Input During Web Page Generation

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-2026-85600: Improper Neutralization of Input During Web Page Generation

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-2026-85603: External Control of File Name or Path

Grav versions before 1.10.55 contain a path traversal vulnerability in the admin plugin's Save As action that fails to validate the language code parameter. An authenticated admin user with admin.pages.create permission can supply directory traversal sequences in the lang POST field to write...

PT-2026-85501

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-2026-85602: Reliance on Untrusted Inputs in a Security Decision

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-2026-85599: Improper Neutralization of Input During Web Page Generation

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-2026-85604: Improper Control of Generation of Code

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...

PT-2026-85498

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: Improper Neutralization of Input During Web Page Generation

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...