Every CVE Search/ Get API key

CVE-2019-18345

A reflected XSS issue was discovered in DAViCal through 1.1.8. It echoes the action parameter...

9.3 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

2.24%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.3

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.

Record
CVE-2019-18345
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2019-18345
Updated
2026-11-02
EUVDEUVD-2019-8133 No score

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.

Record
EUVD-2019-8133
Updated
2026-11-03
GitHub AdvisoriesGHSA-27vg-v28w-gqgh 9.3

A reflected XSS issue was discovered in DAViCal through 1.1.8. It echoes the action parameter...

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.

Record
GHSA-27vg-v28w-gqgh
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-02
OSV 9.3

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.

Record
CVE-2019-18345
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2019-18345 9.3

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.

Record
DEBIAN-CVE-2019-18345
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2019-18345 9.3

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.

Record
UBUNTU-CVE-2019-18345
CVSS 3.1
9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
davical
Debian:12
before 1.1.9.2-1
1.1.9.2-1
davical
Debian:13
before 1.1.9.2-1
1.1.9.2-1
davical
Debian:14
before 1.1.9.2-1
1.1.9.2-1
davical
Debian:8
before 1.1.3.1-1+deb8u1, plus listed versions
1.1.3.1-1
1.1.3.1-1+deb8u1
davical
Debian:9
before 1.1.5-1+deb9u1, plus listed versions
1.1.5-1
1.1.5-1+deb9u1
davical
Debian:10
before 1.1.8-1+deb10u1, plus listed versions
1.1.8-11.1.8-1+deb10u1~bpo9+1
1.1.8-1+deb10u1
davical
Ubuntu:16.04:LTS
All versions, plus listed versions
1.1.3.1-11.1.4-11.1.4-1ubuntu11.1.4-1ubuntu1.1
None known
davical
Ubuntu:18.04:LTS
All versions, plus listed versions
1.1.5-11.1.6-11.1.7-1
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-18345 is a critical vulnerability (CVSS 9.3) in Davical, published December 12, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.24%, the 82nd percentile. Fixed in davical 1.1.9.2-1.

References

Show 7 moreShow less
MoveEnter Open