{"id":"CVE-2026-18311","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-18311","generatedAt":"2026-10-28T02:58:00.644Z","title":"Readwise Reader for Android contains a cross-site scripting vulnerability due to missing HTML sanitization in its processing of imported document metadata.","description":"Readwise Reader for Android contains a cross-site scripting vulnerability due to missing HTML sanitization in its processing of imported document metadata. Attacker-controlled fields such as the author meta tag are inserted into a WebView via innerHTML, enabling stored XSS that executes on synced devices when the malicious document is opened.","published":"2026-09-25T17:17:08.000Z","lastModified":"2026-09-28T16:31:16.000Z","status":"Deferred","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00212,"percentile":0.11396,"date":"2026-10-26","history":[{"date":"2026-09-26","score":0.00157,"percentile":0.04172}]},"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 (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-25T17:17:08.000Z","detail":{"score":"6.1","severity":"MEDIUM","publishedAt":"2026-09-25T17:17:07.657Z"},"summary":"New CVE, medium severity (CVSS 6.1)."}],"references":[{"url":"https://kb.cert.org/vuls/id/699627","source":"cret@cert.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-18311","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."}