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2 vulnerabilities found for notesnook_desktop by streetwriters

CVE-2026-31876 (GCVE-0-2026-31876)

Vulnerability from nvd – Published: 2026-03-11 18:17 – Updated: 2026-03-12 20:08
VLAI?
Title
Notesnook has Stored XSS via unsanitized Twitter/X embed URL in editor (`tweetToEmbed`)
Summary
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 directly into an HTML string without escaping, which was then assigned to the srcdoc attribute of an <iframe>. This vulnerability is fixed in 3.3.9.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
streetwriters notesnook Affected: < 3.3.9
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-31876 (GCVE-0-2026-31876)

Vulnerability from cvelistv5 – Published: 2026-03-11 18:17 – Updated: 2026-03-12 20:08
VLAI?
Title
Notesnook has Stored XSS via unsanitized Twitter/X embed URL in editor (`tweetToEmbed`)
Summary
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 directly into an HTML string without escaping, which was then assigned to the srcdoc attribute of an <iframe>. This vulnerability is fixed in 3.3.9.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
streetwriters notesnook Affected: < 3.3.9
Create a notification for this product.
Show details on NVD website
To clipboard 

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