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...

CVE-2026-73428

Trix (rich-text editor) prior to version 2.1.18 is vulnerable to stored XSS when crafted HTML is pasted into the editor. The HTMLParser handles a mock attachment in a with an empty data-trix-attachment="{}"; this causes data-trix-attributes to apply to plain text and allows an unvalidated href i...

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...

PT-2026-71921

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...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the StringPiece.fromJSON function. An attacker can execute arbitrary JavaScript in the context of the victim's browser by tricking a user into dragging and dropping a crafted application/x-trix-document JSON...