CVE-2026-66010 DOMPurify before 3.4.12 Hook Bypass via CUSTOM_ELEMENT_HANDLING

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

CVE-2026-66010 DOMPurify before 3.4.12 Hook Bypass via CUSTOM_ELEMENT_HANDLING

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

PT-2026-64287

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM ELEMENT HANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

CVE-2026-65904

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65902

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65902 DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTags

DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the uponSanitizeElement and uponSanitizeAttribute hooks via data.allowedTags / data.allowedAttributes when sanitize is called without an explicit...

CVE-2026-65898

DOMPurify before 3.4.11 is affected. The vulnerability arises when setConfig() is used with an uponSanitizeAttribute hook and the ALLOWED_ATTR allowlist isn’t cloned, allowing the hook to permanently mutate the shared allowlist. An attacker can register a hook that conditionally permits dangerous...

Security Bulletin: IBM App Connect Enterprise is vulnerable to Cross-site Scripting due to Node.js modules ip-address and sanitize-html (CVE-2026-53606 & CVE-2026-42338)

Summary IBM App Connect Enterprise runtime, IBM App Connect Enterprise Discovery Connectors and IBM App Connect Enterprise Connector Discovery and OpenAPI Editor are vulnerable to Cross-site Scripting due to Node.js modules ip-address and sanitize-html. Vulnerability Details CVEID:CVE-2026-53606...

CVE-2026-9029

A flaw was found in the Grafana geomap panel's XYZ tile layer. An attacker with editor privileges can exploit a sanitize-then-interpolate ordering bug by setting a textbox variable's default value to a Cross-Site Scripting XSS payload. This payload executes for every user who opens the dashboard,...

Incomplete List of Disallowed Inputs

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs in the CUSTOMELEMENTHANDLING. An attacker can cause security-relevant attributes to be preserved on allowed custom elements by leveragi...

GHSA-C2J3-45GR-MQC4 DOMPurify: `CUSTOM_ELEMENT_HANDLING` bypasses `afterSanitizeElements` for allowed custom elements.

Summary There is a possible hook-policy inconsistency in DOMPurify 3.4.11 involving CUSTOMELEMENTHANDLING. When a custom element is allowed via CUSTOMELEMENTHANDLING.tagNameCheck, it appears that the element does not go through afterSanitizeElements in the same way as a normal element. As a resul...

CVE-2026-54910

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.4.3-beta, the subtitlesHandler endpoint GET /api/media/subtitles accepts two user-controlled query parameters: path and name, both of which are used in filesystem operations without sanitization, creating two...

CVE-2026-55173 AVideo incomplete fix for CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink

WWBN AVideo is an open source video platform. Versions 29.0 and below remain vulnerable to OS command injection because the fix for CVE-2026-33482 was incomplete and still does not neutralize a single & the shell background operator. CVE-2026-33482 reported that sanitizeFFmpegCommand...

CVE-2026-55173

Summary: CVE-2026-55173 affects WWBN AVideo (versions 29.0 and below). The issue is an OS command injection in the ffmpeg command construction: sanitizeFFmpegCommand() fails to neutralize a single ‘&’ (background operator). The fix from CVE-2026-33482 added several metacharacters to the denylist ...

EUVD-2026-44760

Dashy is a self-hostable personal dashboard. From 1.9.4 until 3.2.0, the Dashy RSS Widget in src/components/Widgets/RssFeed.vue does not sanitize RSS item link values before rendering feed item titles and Read More links as anchor href attributes, allowing an attacker-controlled feed to provide a...

CVE-2026-61451

The Grav API plugin grav-plugin-api before 1.0.4 does not validate the origin of the client-supplied adminbaseurl field in the POST /api/v1/auth/forgot-password endpoint. The sanitizeHttpUrl function only checks that the URL scheme is http/https and never verifies the host against the server's ow...

DEBIAN-CVE-2026-49459

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitizeroot, INPLACE: true could preserve event-handler attributes on an attacker-controlled root when a descendant name clobbered properties checked by isClobbered, because forceRemove...

UBUNTU-CVE-2026-49458

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitizenode, INPLACE: true accepted same-origin foreign-realm DOM nodes while follow-on checks used parent-realm constructors, causing instanceof checks for forms, named node maps, documen...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the sanitizePath function in File.php. An attacker can write uploaded files to arbitrary locations by supplying a crafted directory path to MediaUploader::toDestination that survives the permissive sanitization a...

CVE-2026-49970

Laravel-Mediable before 7.0.0 contains a path traversal vulnerability in the File::sanitizePath function that allows attackers to write uploaded files to arbitrary locations by controlling the directory argument passed to MediaUploader::toDestination. Attackers can exploit the permissive...