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.
References
History

Sat, 26 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Readwise
Readwise reader
Vendors & Products Readwise
Readwise reader

Sat, 26 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 25 Sep 2026 17:30:00 +0000

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'}


Fri, 25 Sep 2026 16:45:00 +0000

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

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2026-09-25T16:27:54.187Z

Updated: 2026-09-25T16:58:34.254Z

Reserved: 2026-07-29T17:36:03.706Z

Link: CVE-2026-18311

cve-icon Vulnrichment

Updated: 2026-09-25T16:58:30.451Z

cve-icon NVD

Status : Deferred

Published: 2026-09-25T17:17:07.657

Modified: 2026-09-28T16:31:16.073

Link: CVE-2026-18311

cve-icon Redhat

No data.