CRITICAL

CVE-2019-18345

CVSS v3

9.3

CRITICAL

EPSS Score

2.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-18345 yet.

Full record on NVD

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.

Technical details

Published: 2019-12-12

Frequently asked questions

What is CVE-2019-18345?

Is CVE-2019-18345 actively exploited?

Active exploitation of CVE-2019-18345 has not been confirmed. Its EPSS score was 2.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18345?

CVE-2019-18345 has a CVSS v3 base score of 9.3 (CRITICAL severity).

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