{"id":"CVE-2026-77166","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-77166","generatedAt":"2026-10-28T01:45:27.483Z","title":"By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.","description":"The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.","published":"2026-09-21T16:17:24.000Z","lastModified":"2026-09-22T20:00:04.000Z","status":"Deferred","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.0","score":2.4,"severity":"LOW","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N"},"cwe":["CWE-840"],"affected":[],"epss":{"score":0.00284,"percentile":0.20782,"date":"2026-10-26","history":[{"date":"2026-09-22","score":0.00188,"percentile":0.08719}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-21T16:17:24.000Z","detail":{"score":"2.4","severity":"LOW","publishedAt":"2026-09-21T16:17:24.013Z"},"summary":"New CVE, low severity (CVSS 2.4)."}],"references":[{"url":"https://hackerone.com/reports/3599470","source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/3599470","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-77166","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."}