{"id":"CVE-2024-40643","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-40643","generatedAt":"2026-10-28T02:18:09.708Z","title":"As such it is possible to do an XSS by putting an \"illegal\" tag within a tag.","description":"Joplin is a free, open source note taking and to-do application. Joplin fails to take into account that \"<\" followed by a non letter character will not be considered html. As such it is possible to do an XSS by putting an \"illegal\" tag within a tag.","published":"2024-09-09T15:15:12.000Z","lastModified":"2026-06-17T07:46:14.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9.6,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"},"cwe":["CWE-79"],"affected":["joplin project/joplin"],"epss":{"score":0.00793,"percentile":0.56089,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/laurent22/joplin/commit/b220413a9b5ed55fb1f565ac786a5c231da8bc87","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/laurent22/joplin/security/advisories/GHSA-g796-3g6g-jmmc","tags":["Exploit","Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-40643","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}