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TI-2026-15063 Aliases CVE-2026-18311GHSA-p2jj-7m4x-3gfh

Cross-site scripting in Readwise Reader

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00212 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ReadwiseReader8.7.2 – 8.10.1—No fix listedCNA
  • Reader VendorReadwise Affected 8.7.2 – 8.10.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18311
  2. 2026-10-03 Alias added: GHSA-p2jj-7m4x-3gfh

References

  • TI-2026-15069 Cross-site scripting in Readwise Reader CVSS 3.1MEDIUM 6.1
  • TI-2026-15064 Cross-site scripting in Readwise Reader CVSS 3.1MEDIUM 6.1

Sources