CVE-2026-18311

6.1 mediumEPSS 0.2%

Medium (6.1). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-11-01)
CWE: CWE-79
Published: 2026-09-25
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19

References

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

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