GHSA-R7FX-8G49-7HHR Grav CMS vulnerable to stored XSS via Markdown media attribute() action

Summary An authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters being converted into callable media actions. The...

GHSA-HRCW-XC63-G29M PPTAgent: Arbitrary File Write + Directory Creation via markdown_table_to_image

Summary The markdowntabletoimage tool accepts a caller-controlled path parameter and passes it directly to gethtmltableimage: python pptagent/mcpserver.py:127-143 def markdowntabletoimagemarkdowntable: str, path: str, css: str - str: """ Args: path str: The file path where the image will be saved...

EUVD-2026-27014

PPTAgent: Arbitrary File Write + Directory Creation via markdowntabletoimage...

PPTAgent: Arbitrary File Write + Directory Creation via markdown_table_to_image

Summary The markdowntabletoimage tool accepts a caller-controlled path parameter and passes it directly to gethtmltableimage: python pptagent/mcpserver.py:127-143 def markdowntabletoimagemarkdowntable: str, path: str, css: str - str: """ Args: path str: The file path where the image will be saved...

@tdurieux/anonymous_github Vulnerable to XSS via Unsanitized GitHub Repository Content Rendering in Anonymous GitHub Origin

Summary Anonymous GitHub fetches repository content e.g., markdown files from GitHub's API and renders it without sanitization. On the client side, markdown is parsed with marked with sanitize: false and injected into the DOM via $sce.trustAsHtml + ng-bind-html, bypassing AngularJS's built-in XSS...

CVE-2026-41680

A flaw was found in marked, a markdown parser and compiler. An unauthenticated attacker can exploit this Denial of Service DoS vulnerability by providing a specific 3-byte input sequence a tab, a vertical tab, and a newline. This input triggers an infinite recursion loop during parsing, leading t...

CVE-2026-40201

@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file...

Linux Distros Unpatched Vulnerability : CVE-2026-41680

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Marked is a markdown parser and compiler. From 18.0.0 to 18.0.1, a critical Denial of Service DoS vulnerability exists in marked. By providing a specific 3-byte...

PT-2026-37280

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description An authenticated user with page editing permissions can perform stored Cross-Site Scripting XSS by injecting an executable JavaScript event-handler attribute into rendered image HTML. This occurs...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload via the updatedAttachments process. An attacker can upload arbitrary files by submitting crafted files through the upload interface, which may result in the execution of malicious scripts, phishing page hosting, or...

livewire-markdown-editor has arbitrary file upload that allows stored XSS via attachment handler

Impact All versions of mckenziearts/livewire-markdown-editor prior to v1.3 contain a critical arbitrary file upload vulnerability in the MarkdownEditor::updatedAttachments Livewire handler. The handler calls $file-store with no server-side validation of MIME type, extension, or file content. Any...

GHSA-GXXH-8VCJ-W2MH livewire-markdown-editor has arbitrary file upload that allows stored XSS via attachment handler

Impact All versions of mckenziearts/livewire-markdown-editor prior to v1.3 contain a critical arbitrary file upload vulnerability in the MarkdownEditor::updatedAttachments Livewire handler. The handler calls $file-store with no server-side validation of MIME type, extension, or file content. Any...

CVE-2026-7702

A vulnerability was detected in toeverything AFFiNE up to 0.26.3. This issue affects the function allowDocPreview of the file /workspace/:workspaceId/:docId of the component Public Markdown Preview Endpoint. The manipulation results in authorization bypass. It is possible to launch the attack...

Directory Traversal

Overview pptagent is an An Agentic Framework for Reflective PowerPoint Generation Affected versions of this package are vulnerable to Directory Traversal via the markdowntabletoimage function. An attacker can create or overwrite arbitrary files and directories by supplying crafted input that...

CVE-2026-42078

PPTAgent is an agentic framework for reflective PowerPoint generation. Prior to commit 418491a, PPTAgent is vulnerable to arbitrary file write and directory creation via markdowntabletoimage. This issue has been patched via commit 418491a...

CVE-2026-42078

PPTAgent is an agentic framework for reflective PowerPoint generation. Prior to commit 418491a, PPTAgent is vulnerable to arbitrary file write and directory creation via markdowntabletoimage. This issue has been patched via commit 418491a...

CVE-2026-42078

PVE: CVE-2026-42078 affects PPTAgent, an agentic framework for reflective PowerPoint generation. Before commit 418491a, the code path markdown_table_to_image allows arbitrary file write and directory creation. The issue has been patched via commit 418491a. Impact ranges from low to potentially en...

CVE-2026-42078 PPTAgent: Arbitrary File Write + Directory Creation via markdown_table_to_image

PPTAgent is an agentic framework for reflective PowerPoint generation. Prior to commit 418491a, PPTAgent is vulnerable to arbitrary file write and directory creation via markdowntabletoimage. This issue has been patched via commit 418491a...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...