An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to craft messages in a way that JavaScript gets executed on the side of the receiving user when the message is opened, aka XSS.
https://github.com/azd-cert/CVE/blob/master/CVEs/CVE-2019-9919.md
https://extensions.joomla.org/extension/je-messenger/
Source: Mitre, NVD
Published: 2019-03-29
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00206