CVE-2026-18311

CVE-2026-18311

Published Sep 25, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Readwise
Readwise reader
Vendors & Products Readwise
Readwise reader
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
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.
Title CVE-2026-18311
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Sep 25, 2026, 4:58 PM
Reserved
Jul 29, 2026, 5:36 PM
Status
Deferred
Published
Sep 25, 2026, 5:17 PM
Modified
Sep 28, 2026, 4:31 PM