Arbitrary file upload in 3cx Live Chat
CVE-2018-12426
The WP Live Chat Support Pro plugin before 8.0.07 for WordPress is vulnerable to unauthenticated Remote Code Execution due to client-side validation of allowed file types, as demonstrated by a v1/remote_upload request with a .php filename and the image/jpeg content type.
Vulnerability class: Unrestricted File Upload
EPSS: 0.051 (91.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- 3cx Live_chat
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-12426?
- CVE-2018-12426 is a critical-severity vulnerability in 3cx Live Chat, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-07-02.
- How severe is CVE-2018-12426?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-12426 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.