CVE-2019-18347 Information

Description

A stored XSS issue was discovered in DAViCal through 1.1.8. It does not adequately sanitize output of various fields that can be set by unprivileged users making it possible for JavaScript stored in those fields to be executed by another (possibly privileged) user. Affected database fields include Username Display Name and Email.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/155628/DAViCal-CalDAV-Server-1.1.8-Persistent-Cross-Site-Scripting.html http://seclists.org/fulldisclosure/2019/Dec/17 http://seclists.org/fulldisclosure/2019/Dec/18 http://seclists.org/fulldisclosure/2019/Dec/19 https://gitlab.com/davical-project/davical/blob/master/ChangeLog https://hackdefense.com/publications/cve-2019-18347-davical-caldav-server-vulnerability/ https://lists.debian.org/debian-lts-announce/2019/12/msg00016.html https://seclists.org/bugtraq/2019/Dec/30 https://www.davical.org/ https://www.debian.org/security/2019/dsa-4582

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4