XSS in 3cx Live Chat
CVE-2018-11105
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/plugins/wp-live-chat-support/ (Patch, Release Notes)
- github.com/RiieCco/write-ups/tree/master/CVE-2018-11105 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-11105?
- CVE-2018-11105 is a medium-severity vulnerability in 3cx Live Chat, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-15.
- How severe is CVE-2018-11105?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2018-11105 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.