CVE-2018-11105

6.1 mediumEPSS 1.1%

Medium (6.1) in 3cx live chat. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

6.1 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2018-05-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

3cx:live_chat

References

https://github.com/RiieCco/write-ups/tree/master/CVE-2018-11105
https://wordpress.org/plugins/wp-live-chat-support/#developers
https://github.com/RiieCco/write-ups/tree/master/CVE-2018-11105
https://wordpress.org/plugins/wp-live-chat-support/#developers

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