CVE-2019-18345
davical - security update
9.3
CRITICAL
CVSS 3.1
EPSS 2.2%
Description
A reflected XSS issue was discovered in DAViCal through 1.1.8. It echoes the action parameter without encoding. If a user visits an attacker-supplied link, the attacker can view all data the attacked user can view, as well as perform all actions in the name of the user. If the user is an administrator, the attacker can for example add a new admin user to gain full access to the application.
How to fix CVE-2019-18345
To remediate CVE-2019-18345, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.9.2-1 or later
- —upgrade to 1.1.3.1-1+deb8u1 or later
- —upgrade to 1.1.5-1+deb9u1 or later
Is CVE-2019-18345 being exploited?
Low — EPSS is 2.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.1.9.2-1
- from 0, < 1.1.3.1-1+deb8u1
- from 0, < 1.1.5-1+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |