Description
There is stored cross site scripting in the wp-live-chat-support plugin before 8.0.08 for WordPress via the "name" (aka wplc_name) and "email" (aka wplc_email) input fields to wp-json/wp_live_chat_support/v1/start_chat whenever a malicious attacker would initiate a new chat with an administrator. NOTE: this issue exists because of an incomplete fix for CVE-2018-9864.
References (2)
Core 2
Core References
Patch, Release Notes x_refsource_misc
https://wordpress.org/plugins/wp-live-chat-support/#developers
Exploit, Third Party Advisory x_refsource_misc
https://github.com/RiieCco/write-ups/tree/master/CVE-2018-11105
Scores
CVSS v3
6.1
EPSS
0.0040
EPSS Percentile
60.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (1)
3cx/live_chat
< 8.0.08
Published
May 15, 2018
Tracked Since
Feb 18, 2026