Cross-site Scripting (XSS)

ProseMirror is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to insufficient validation of attributes in clipboard slice context during paste handling, which allows an attacker to craft malicious HTML that executes attacker-controlled JavaScript in the browser window containing...

GHSA-C8X8-7FP4-3X9W ProseMirror has a XSS vulnerability in prosemirror-view's paste handling

Impact When a user pastes attacker-provided HTML into a ProseMirror editor component, this can cause attacker-controlled JavaScript code to run in the browser window containing the editor. Patches Version 1.42.3 adds validation that prevents this attack. Workarounds No known workarounds...

ProseMirror has a XSS vulnerability in prosemirror-view's paste handling

Impact When a user pastes attacker-provided HTML into a ProseMirror editor component, this can cause attacker-controlled JavaScript code to run in the browser window containing the editor. Patches Version 1.42.3 adds validation that prevents this attack. Workarounds No known workarounds...

NPM: ProseMirror has a XSS vulnerability in prosemirror-view's paste handling

NPM: ProseMirror has a XSS vulnerability in prosemirror-view's paste handling discovered by ? in WordPress Npm prosemirror-view versions 1.42.3...

CVE-2026-104847

ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. Whe...

CVE-2026-104847 ProseMirror: XSS vulnerability in prosemirror-view's paste handling

ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. Whe...

CVE-2026-104847

ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. Whe...

CVE-2026-104847 ProseMirror: XSS vulnerability in prosemirror-view's paste handling

ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. Whe...

CVE-2026-104847

The prosemirror-view component in ProseMirror (prior to version 1.42.3 ) is vulnerable to a Cross-Site Scripting (XSS) flaw. The issue arises because the paste handling mechanism accepts attacker-provided HTML where clipboard slice context attributes bypass schema attribute validation . An attack...

CVE-2026-104847 ProseMirror: XSS vulnerability in prosemirror-view's paste handling

ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. Whe...

CVE-2026-104847: Improper Neutralization of Input During Web Page Generation

ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. Whe...

PT-2026-104395

Name of the Vulnerable Software and Affected Versions prosemirror-view versions prior to 1.42.3 Description The view component, which manages the editable browser interface for documents, contains a flaw in its paste handling. It accepts attacker-provided HTML where the clipboard slice context...

CVE-2026-73428 Trix: Stored XSS via HTMLParser attribute injection on paste

Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Prior to 2.1.18, Trix is vulnerable to stored cross-site scripting when crafted HTML is pasted into the editor. HTMLParser processes a mock attachment in a with an empty data-trix-attachment="" value, causing...

Mozilla: XSS through paste (manual and clipboard API)

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Debian DSA-2106-1 : xulrunner - several vulnerabilities

Several remote vulnerabilities have been discovered in Xulrunner, a runtime environment for XUL applications. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2010-2760, CVE-2010-3167, CVE-2010-3168 Implementation errors in XUL processing allow the...