CVE-2026-33955 - Vulnerability Analysis
HighCVSS: 8.6Last Updated: March 27, 2026
Notesnook - Stored XSS & Remote Code Execution
Overview
Notesnook Web/Desktop < 3.3.11 contains a stored cross-site scripting caused by insecure use of dangerouslySetInnerHTML in note history comparison viewer, letting attackers escalate to remote code execution in desktop app, exploit requires crafted note header and backup/restore feature.
Severity & Score
Impact
Attackers can execute remote code on the desktop application, potentially taking full control of the user's system.
Mitigation
Update to version 3.3.11 or later.
Social Media Activity(2 posts)
š CVE-2026-33955 - High (8.6) 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 a... š https://www.thehackerwire.com/vulnerability/CVE-2026-33955/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
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š CVE-2026-33955 - High (8.6) 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 a... š https://www.thehackerwire.com/vulnerability/CVE-2026-33955/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
View original postRelated Resources
Details
- CVE ID
- CVE-2026-33955
- Severity
- High
- CVSS Score
- 8.6
- Type
- stored_xss
- Status
- new
- EPSS
- 0.0%
- Social Posts
- 2
CWE
- CWE-79
CVSS Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H