CVE-2026-18311

MEDIUMCVSS 6.1

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.

Timeline

Published:September 25th, 2026 5:17 PM

Last modified:September 28th, 2026 4:31 PM

CVSS Scoring

CVSS v3: 6.1 (MEDIUM)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

References & Reports

Advisories, patches, and third-party reports

https://kb.cert.org/vuls/id/699627

Source: NIST NVD · Data may lag official sources by up to one minute