CVE-2018-3781

low-risk

Published 2018-08-13

A missing sanitization of search results for an autocomplete field in NextCloud Talk <3.2.5 could lead to a stored XSS requiring user-interaction. The missing sanitization only affected user names, hence malicious search results could only be crafted by authenticated users.

Do I need to act?

0.39% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.4/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Talk

Affected Vendors

Nextcloud

References (4)

Third Party Advisory https://hackerone.com/reports/383117

Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2018-009

Third Party Advisory https://hackerone.com/reports/383117

Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2018-009

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low-risk

Severity 21/34 · High

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal