Vulnerability record

CVE-2026-18311

Severity: ElevatedExploitation: No known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-18311 scored CVSS 6.1

    Basis: NIST National Vulnerability Database

  2. Disclosed

    VU#699627: Readwise Reader for Android, version 8.7.2, contains multiple XSS vulnerabilities

    Basis: CERT/CC Vulnerability Notes (CERT advisory)

Coverage

References