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Vulnerability archive 1,221
Reset filtersGrav CMS vulnerable to remote code execution via .zip file upload
Grav: Missing admin.super guard on core group blueprint access field allows admin.users operator to escalate to super-admin
Grav: Single invalid UTF-8 byte disables every rule in Security::detectXss(), bypassing the page-content XSS safety gate
Grav: Blueprint dynamic-data bare-function branch is denylist-gated and omits error_log, giving arbitrary file write
Grav: detectXss() misses an event-handler attribute after an unpaired quote in an unquoted attribute value, giving stored XSS
Grav: Unauthenticated Path Traversal via Missing Directory-Boundary Check in `plugin-asset-map.php` Static Asset Server (`index.php`)
Grav: Path Traversal in MediaUploadTrait::deleteFile() Allows Arbitrary File Deletion
react/http: A malformed HTTP chunked body can lead to a denial-of-service and peg the CPU
Grav: media_directory() Twig function allows filesystem path traversal and file content disclosure from sandboxed page content
Grav: config_denied_paths default list omits `system`, exposing real secrets (e.g. system.cache.redis.password) via the Twig sandbox when config_access is enabled
Grav: The system, site, and theme Twig variables bypass the content sandbox entirely and are never covered by config_denied_paths
Grav: Origin validation bypass in Uri::referrer() and Pages::referrerRoute() via unanchored prefix match
Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
Grav: Stored XSS via Markdown audio/video media <source> URL
Grav: Path Traversal in ImageMedium::watermark() — arbitrary file disclosure via publicly-cached images
Grav: Incomplete callable validation in blueprint dynamic fields allows arbitrary static method invocation and file disclosure
Grav: FlexDirectory::dynamicDataField() executes arbitrary callables from blueprint data with no validation
Grav: Stored CSS injection via Markdown image resize() bypasses prior media style sanitizers in Grav
Grav: XSS Blueprint Validation Bypass via Twig String Concatenation
Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()
October CMS: Incomplete Scheme Validation in Image Resizer
October CMS: PHP Object Injection via Backend Widget Session Storage
October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls
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