CVE-2026-18311

mediumpriority · track · 0EPSS 0.002 · 11 %ileUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.21% (11th) EPSS
CVSS 6.1 · medium
Is it mine?
0 products
Check your exposure
Who says so?
1 sources
cert_cc_vince

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondaryexploitability 2.8 · impact 2.7
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US
04

affected products

Products and version ranges known to be affected.

No affected products recorded.

05

advisories (1)

Vendor and ecosystem advisories describing this.

06

sources

Which sources assert this record, and when.

cert_cc_vinceNVDCVE.orgMITRE
published 2026-09-25modified 2026-09-28
07

references (1) nvd

External citations — patches, advisories, analysis.

scry

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