CVE-2026-35451 Twenty: Stored XSS via BlockNote FileBlock

Twenty is an open source CRM. Prior to 1.20.6, a Stored Cross-Site Scripting XSS vulnerability exists in the BlockNote editor component. Due to a lack of protocol validation in the FileBlock component and insufficient server-side inspection of block content, an attacker can inject a javascript: U...

CVE-2026-35451

Twenty is an open source CRM. Prior to 1.20.6, a Stored Cross-Site Scripting XSS vulnerability exists in the BlockNote editor component. Due to a lack of protocol validation in the FileBlock component and insufficient server-side inspection of block content, an attacker can inject a javascript: U...

CVE-2026-35451

CVE-2026-35451 affects the Twenty open source CRM, specifically the BlockNote editor. Before version 1.20.6 there is a Stored XSS in the FileBlock component: an attacker can inject a javascript: URI into the url property of a file block due to lack of protocol validation and insufficient server-s...

CVE-2026-35451 Twenty: Stored XSS via BlockNote FileBlock

Twenty is an open source CRM. Prior to 1.20.6, a Stored Cross-Site Scripting XSS vulnerability exists in the BlockNote editor component. Due to a lack of protocol validation in the FileBlock component and insufficient server-side inspection of block content, an attacker can inject a javascript: U...

PT-2026-34007

Twenty is an open source CRM. Prior to 1.20.6, a Stored Cross-Site Scripting XSS vulnerability exists in the BlockNote editor component. Due to a lack of protocol validation in the FileBlock component and insufficient server-side inspection of block content, an attacker can inject a javascript: U...