What is CVE-2018-3763?

CVE-2018-3763 is a medium-severity vulnerability in Nextcloud Calendar, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-07-05.

How severe is CVE-2018-3763?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Nextcloud Calendar

CVE-2018-3763

In Nextcloud Calendar before 1.5.8 and 1.6.1, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious sea…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nextcloud Calendar — versions 1.6.0
Nextcloud Calendar Application — versions <1.6.1, <1.5.8

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support@hackerone.com (x_refsource_CONFIRM, Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2018-3763?: CVE-2018-3763 is a medium-severity vulnerability in Nextcloud Calendar, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-07-05.
How severe is CVE-2018-3763?: Medium severity. CVSS v3 base score is 4.8 out of 10.