{"id":"CVE-2026-18311","aliases":["EUVD-2026-87232","GHSA-p2jj-7m4x-3gfh"],"status":"published","title":"CVE-2026-18311","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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00212,"percentile":0.11557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-25T16:27:54Z","modified":"2026-09-28T16:31:16Z","products":[{"vendor":"foxit","product":"reader"},{"vendor":"readwise","product":"reader"}],"references":[{"url":"https://kb.cert.org/vuls/id/699627"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18311"},{"url":"https://github.com/advisories/GHSA-p2jj-7m4x-3gfh"}],"sources":{"cve":[{"id":"CVE-2026-18311","title":"CVE-2026-18311","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.","status":"published","published":"2026-09-25T16:27:54.187Z","modified":"2026-09-25T16:58:34.254Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:12.60856Z"}],"euvd":[{"id":"EUVD-2026-87232","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.","status":"published","published":"2026-09-25T16:27:54Z","modified":"2026-09-25T16:58:34Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:55.070935Z"}],"ghsa":[{"id":"GHSA-p2jj-7m4x-3gfh","title":"Readwise Reader for Android contains a cross-site scripting vulnerability due to missing HTML...","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.","status":"published","published":"2026-09-25T18:31:25Z","modified":"2026-09-25T18:31:30Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:27.190195Z"}],"nvd":[{"id":"CVE-2026-18311","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.","status":"published","published":"2026-09-25T17:17:07.657Z","modified":"2026-09-28T16:31:16.073Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:51.721923Z"}]}}