CVE-2026-33955

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop, a cross-site scripting vulnerability stored in the note history comparison viewer can escalate to remote code execution in a desktop application. The issue is triggered when an attacker-controlled note header is displayed usi...

EUVD-2026-16872

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop, a cross-site scripting vulnerability stored in the note history comparison viewer can escalate to remote code execution in a desktop application. The issue is triggered when an attacker-controlled note header is displayed usi...

CVE-2026-33955

Notesnook: A stored XSS in the note history diff viewer (Web/Desktop) can lead to remote code execution in the desktop app. Trigger occurs when an attacker-controlled note header is rendered with dangerouslySetInnerHTML, and, when combined with the full backup/restore feature, is exploitable due ...

CVE-2026-33955 Notesnook vulnerable to RCE via stored XSS in Note History diff viewer

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop, a cross-site scripting vulnerability stored in the note history comparison viewer can escalate to remote code execution in a desktop application. The issue is triggered when an attacker-controlled note header is displayed usi...

CVE-2026-33976

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

CVE-2026-33976

Notesnook stores attacker-controlled attributes from a source page into web-clip HTML during Web Clipper rendering. When a clip is later opened, Notesnook renders this HTML in a same-origin, unsandboxed iframe via contentDocument.write, allowing event-handler attributes (onload, onclick, onmouseo...

CVE-2026-33976 Notesnook vulnerable to RCE via stored XSS in Web Clipper rendering

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

EUVD-2026-16874

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

CVE-2026-33976 Notesnook vulnerable to RCE via stored XSS in Web Clipper rendering

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

CVE-2026-33976 Notesnook vulnerable to RCE via stored XSS in Web Clipper rendering

Notesnook is a note-taking app. Prior to version 3.3.11 on Web/Desktop and 3.3.17 on Android/iOS, a stored XSS in the Web Clipper rendering flow can be escalated to remote code execution in the desktop app. The root cause is that the clipper preserves attacker-controlled attributes from the sourc...

PT-2026-28580

Name of the Vulnerable Software and Affected Versions Notesnook versions prior to 3.3.11 Web/Desktop Notesnook versions prior to 3.3.17 Android/iOS Description Notesnook is a note-taking app. Prior to versions 3.3.11 Web/Desktop and 3.3.17 Android/iOS, a stored Cross-Site Scripting XSS issue exis...

PT-2026-28579

Name of the Vulnerable Software and Affected Versions Notesnook versions prior to 3.3.11 Description Notesnook is a note-taking app with a cross-site scripting issue present in the note history comparison viewer on Web/Desktop platforms. This issue can lead to remote code execution in the desktop...

Notesnook 代码注入漏洞

Notesnook is an end-to-end encrypted note application developed by Streetwriters. There were code injection vulnerabilities in versions of Notesnook Web/Desktop prior to 3.3.11, as well as in versions for Android/iOS prior to 3.3.17. These vulnerabilities stemmed from a stored-xss vulnerability...

Notesnook 代码注入漏洞

Notesnook is an end-to-end encrypted note application developed by Streetwriters. Versions of Notesnook Web/Desktop prior to 3.3.11 contained a code injection vulnerability. This vulnerability originated from a cross-site scripting vulnerability stored in the note history comparator, which could...

CVE-2026-31876

Notesnook is a note-taking app focused on user privacy & ease of use. Prior to 3.3.9, a Stored Cross-Site Scripting XSS vulnerability existed in Notesnook's editor embed component when rendering Twitter/X embed URLs. The tweetToEmbed function in component.tsx interpolated the user-supplied URL...

CVE-2026-31876

Notesnook is a note-taking app focused on user privacy & ease of use. Prior to 3.3.9, a Stored Cross-Site Scripting XSS vulnerability existed in Notesnook's editor embed component when rendering Twitter/X embed URLs. The tweetToEmbed function in component.tsx interpolated the user-supplied URL...

CVE-2026-31876

Notesnook is a note-taking app focused on user privacy & ease of use. Prior to 3.3.9, a Stored Cross-Site Scripting XSS vulnerability existed in Notesnook's editor embed component when rendering Twitter/X embed URLs. The tweetToEmbed function in component.tsx interpolated the user-supplied URL...

CVE-2026-31876 Notesnook has Stored XSS via unsanitized Twitter/X embed URL in editor (`tweetToEmbed`)

Notesnook is a note-taking app focused on user privacy & ease of use. Prior to 3.3.9, a Stored Cross-Site Scripting XSS vulnerability existed in Notesnook's editor embed component when rendering Twitter/X embed URLs. The tweetToEmbed function in component.tsx interpolated the user-supplied URL...

CVE-2026-31876 Notesnook has Stored XSS via unsanitized Twitter/X embed URL in editor (`tweetToEmbed`)

Notesnook is a note-taking app focused on user privacy & ease of use. Prior to 3.3.9, a Stored Cross-Site Scripting XSS vulnerability existed in Notesnook's editor embed component when rendering Twitter/X embed URLs. The tweetToEmbed function in component.tsx interpolated the user-supplied URL...

CVE-2026-31876 Notesnook has Stored XSS via unsanitized Twitter/X embed URL in editor (`tweetToEmbed`)

Notesnook is a note-taking app focused on user privacy & ease of use. Prior to 3.3.9, a Stored Cross-Site Scripting XSS vulnerability existed in Notesnook's editor embed component when rendering Twitter/X embed URLs. The tweetToEmbed function in component.tsx interpolated the user-supplied URL...