CVE-2026-18311
MEDIUM
NVD
CVSS Score
6.1
Severity
MEDIUM
Published
Sep 25, 2026
Vendor
unknown
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.