[ CVE-2026-18311 · Published 25 Sep 2026 ]
Vulnerability in Readwise Reader
CVSS 6.1
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.