CVE-2019-18345
A reflected XSS issue was discovered in DAViCal through 1.1.8.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.3 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- EPSS
- 2.24% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- davical/davical · debian/debian linux
- Source
- cve@mitre.org
EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/155630/DAViCal-CalDAV-Server-1.1.8-Reflective-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://gitlab.com/davical-project/davical/blob/master/ChangeLogRelease Notes, Third Party Advisory
- https://hackdefense.com/publications/cve-2019-18345-davical-caldav-server-vulnerability/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00016.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Dec/30Mailing List, Third Party Advisory
- https://wiki.davical.org/index.php/Main_PageProduct, Vendor Advisory
- https://www.davical.org/Product, Vendor Advisory
- https://www.debian.org/security/2019/dsa-4582Third Party Advisory
- http://packetstormsecurity.com/files/155630/DAViCal-CalDAV-Server-1.1.8-Reflective-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://gitlab.com/davical-project/davical/blob/master/ChangeLogRelease Notes, Third Party Advisory
- https://hackdefense.com/publications/cve-2019-18345-davical-caldav-server-vulnerability/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00016.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Dec/30Mailing List, Third Party Advisory
- https://wiki.davical.org/index.php/Main_PageProduct, Vendor Advisory
- https://www.davical.org/Product, Vendor Advisory
- https://www.debian.org/security/2019/dsa-4582Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.