EUVD-2026-111475

A vulnerability was found in jeremyckahn Chitchatter up to f82538633813c854a81a8b2112a2f6ba17b39cbc. The affected element is the function isConfigMessageEvent of the file src/Bootstrap.tsx of the component PostMessage Handler. Performing a manipulation of the argument parentDomain results in...

CVE-2026-118129

A vulnerability exists in jeremyckahn Chitchatter (up to commit f82538633813c854a81a8b2112a2f6ba17b39cbc ) within the PostMessage Handler component. The isConfigMessageEvent function in the src/Bootstrap.tsx file is susceptible to improper authentication due to the manipulation of the parentDomai...

CVE-2026-82811

A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly a...

CVE-2026-82809

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is...

CVE-2026-82811 Toggl OÜ Toggl Track Extension postMessage origin validation

A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly a...

CVE-2026-82811

CVE-2026-82811 affects the Toggl Track Chrome extension (version 4.11.16 ). The vulnerability resides in the extension's postMessage Handler , which fails to properly validate message origins, allowing an attacker to accept forged session-state messages through an unauthenticated handler. The att...

EUVD-2026-68679

A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly a...

EUVD-2026-68656

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is...

CVE-2026-82809 vidIQ Vision for YouTube Extension postMessage window.addEventListener information disclosure

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is...

CVE-2026-82809 vidIQ Vision for YouTube Extension postMessage window.addEventListener information disclosure

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is...

CVE-2026-82809

vidIQ Vision for YouTube Extension 3.199.0 on Chrome contains an information disclosure vulnerability in the postMessage Handler component, specifically in the window.addEventListener function. Manipulating the vidiqEvent argument allows a remote attacker to access sensitive data without authenti...

CVE-2026-82811: Origin Validation Error

A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly a...

CVE-2026-82809: Exposure of Sensitive Information to an Unauthorized Actor

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is...

PT-2026-83901

A security flaw has been discovered in vidIQ Vision for YouTube Extension 3.199.0 on Chrome. The affected element is the function window.addEventListener of the component postMessage Handler. Performing a manipulation of the argument vidiqEvent results in information disclosure. The attack is...

PT-2026-83935

A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly a...

CVE-2025-66500: Improper Neutralization of Input During Web Page Generation

A stored cross-site scripting XSS vulnerability exists in webplugins.foxit.com. A postMessage handler fails to validate the message origin and directly assigns externalPath to a script source, allowing an attacker to execute arbitrary JavaScript when a crafted postMessage is received...

EUVD-2023-50481

Malicious code in bioql PyPI...

Cross site scripting

Squidex is an open source headless CMS and content management hub. Affected versions are missing origin verification in a postMessage handler which introduces a Cross-Site Scripting XSS vulnerability. The editor-sdk.js file defines three different class-like functions, which employ a global messa...

CVE-2023-46252 Cross-Site Scripting (XSS) via postMessage Handler in Squidex

Squidex is an open source headless CMS and content management hub. Affected versions are missing origin verification in a postMessage handler which introduces a Cross-Site Scripting XSS vulnerability. The editor-sdk.js file defines three different class-like functions, which employ a global messa...

CVE-2023-46252 Cross-Site Scripting (XSS) via postMessage Handler in Squidex

Squidex is an open source headless CMS and content management hub. Affected versions are missing origin verification in a postMessage handler which introduces a Cross-Site Scripting XSS vulnerability. The editor-sdk.js file defines three different class-like functions, which employ a global messa...