Open WebUI has an Indirect Object Reference (IDOR) in user notes

Summary The API /api/v1/notes/noteid endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. Details - if notes is...

PT-2026-41199

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.11 Description The API endpoint '/api/v1/notes/note id' lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating note id UUIDs. This...

BIT-WORDPRESS-2026-3906 WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

BIT-WORDPRESS-MULTISITE-2026-3906 WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

Missing Authorization

Overview johnpbloch/wordpress-core is a web software you can use to create a website or blog. Affected versions of this package are vulnerable to Missing Authorization in the REST API createitempermissionscheck method, for the Notes feature's comments controller. A user can create notes on any...

DEBIAN-CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906 WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

CVE-2026-3906

CVE-2026-3906 affects WordPress core (versions 6.9–6.9.1). The vulnerability resides in the REST API endpoint used by the block editor's Notes feature, where create_item_permissions_check() does not verify that the authenticated user has edit_post permission on the target post when creating a not...

CVE-2026-3906

WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature block-level collaboration annotations was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API createitempermissionscheck method in...

PT-2026-24659

Name of the Vulnerable Software and Affected Versions WordPress versions 6.9 through 6.9.1 Description WordPress core is susceptible to unauthorized access. The Notes feature, introduced in WordPress 6.9, allows for collaborative annotations on posts within the block editor. However, the REST API...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via the downloadPdf function for Notes feature. An attacker can execute arbitrary JavaScript code and steal session tokens by importing a specially crafted Markdown file containing...

GHSA-8WVC-869R-XFQF Open WebUI Vulnerable to Stored DOM XSS via Note 'Download PDF'

Summary A Stored XSS vulnerability has been discovered in Open-WebUI's Notes PDF download functionality. An attacker can import a Markdown file containing malicious SVG tags into Notes, allowing them to execute arbitrary JavaScript code and steal session tokens when a victim downloads the note as...

school-management-system 代码问题漏洞

school-management-system is a school management system developed in PHP for schools or small organizations by Shubham kumar individual developer. A code issue vulnerability exists in school-management-system, which stems from the incorrect manipulation of the parameter File in the file...

CVE-2025-55200 BigBlueButton vulnerable to Stored XSS via name of user at Shared Notes

BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.13, the "Shared Notes" feature contains a Stored Cross-Site Scripting XSS vulnerability with the input location being the "Username" field and the output location on the "Shared Notes" page, when a user with a malicious...

EUVD-2023-51020

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2019-12445

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in GitLab Community and Enterprise Edition 8.4 through 11.11. A malicious user could execute JavaScript code on notes by importing a...

CVE-2023-46854

Proxmox proxmox-widget-toolkit before 4.0.9, as used in multiple Proxmox products, allows XSS via the edit notes feature...