XSS in Davical
CVE-2019-18345
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.022 (82.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Davical
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
References
- www.davical.org/ (Product, Vendor Advisory)
- wiki.davical.org/index.php/Main_Page (Product, Vendor Advisory)
- gitlab.com/davical-project/davical/blob/master/ChangeLog (Third Party Advisory, Release Notes)
- hackdefense.com/publications/cve-2019-18345-davical-caldav-server-vulnerability/ (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/155630/DAViCal-CalDAV-Server-1.1.8-Reflective-Cro… (Exploit, VDB Entry, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/12/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2019/dsa-4582 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Dec/30 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18345?
- CVE-2019-18345 is a critical-severity vulnerability in Davical, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2019-12-12.
- How severe is CVE-2019-18345?
- Critical severity. CVSS v3 base score is 9.3 out of 10.