{"id":"CVE-2026-46650","title":"Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks","summary":"Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, isAcceptedUrl() in packages/renderer/htmlUtils.ts uses an unanchored regular expression for internal resource URLs,…","severity":"medium","cvss":4.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"laurent22","product":"joplin","affected":["joplin < 3.7.2"],"published":"2026-09-21","updated":"2026-09-21","sourceUpdated":"2026-09-21T22:16:56.480","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46650","references":[{"url":"https://github.com/laurent22/joplin/commit/9fdc2d4adbd7b7326a2d0dcc32e12b705bfc285e","label":"security-advisories@github.com"},{"url":"https://github.com/laurent22/joplin/pull/15435","label":"security-advisories@github.com"},{"url":"https://github.com/laurent22/joplin/security/advisories/GHSA-x9vj-jrqf-9wcm","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-21T21:53:57.431Z","epss":0.00229,"epssPercentile":0.13948,"slug":"CVE-2026-46650","body":"## Overview\n\nJoplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, isAcceptedUrl() in packages/renderer/htmlUtils.ts uses an unanchored regular expression for internal resource URLs, allowing a javascript: URL containing a matching 32-character path fragment to pass validation and be emitted into an HTML note's link. A low-privileged Joplin Server user can publish the crafted HTML note as a public share. In the current build, ordinary left-click is blocked; demonstrated execution requires middle-click or Open in new tab in an older or non-hardened browser because current Chrome and Firefox block javascript: new-tab navigation. When execution succeeds, the script runs in the Joplin Server origin, can read page-visible content, and can make authenticated same-origin requests when the victim is signed in. This issue is fixed in version 3.7.2.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":24.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}