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Vulnerability record · CVE-2019-12498 · published 20 March 2020

CVE-2019-12498: 3cx live chat missing authorization vulnerability

3cx · Live Chat

The WP Live Chat Support plugin before 8.0.33 for WordPress accepts certain REST API calls without invoking the wplc_api_permission_check protection mechanism.

9.8 CVSS 3.1 Critical EPSS 2.0% · top 20.1% CWE-862 · Missing authorization
9.8CVSS 3.1 base score, v2 7.5
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The WP Live Chat Support plugin before 8.0.33 for WordPress accepts certain REST API calls without invoking the wplc_api_permission_check protection mechanism.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/changeset/2098577/wp-live-chat-support/trunk Patch
https://plugins.trac.wordpress.org/log/wp-live-chat-support/ Product
https://wordpress.org/plugins/wp-live-chat-support/#developers Product
https://plugins.trac.wordpress.org/changeset/2098577/wp-live-chat-support/trunk Patch
https://plugins.trac.wordpress.org/log/wp-live-chat-support/ Product
https://wordpress.org/plugins/wp-live-chat-support/#developers Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-111853cx live chat unrestricted file upload vulnerabilityThe WP Live Chat Support Pro plugin through 8.0.26 for WordPress contains an arbitrary file upload vulnerability. This results from an incomplete pat…EPSS 4.3%9.8CVE-2018-124263cx live chat unrestricted file upload vulnerabilityThe WP Live Chat Support Pro plugin before 8.0.07 for WordPress is vulnerable to unauthenticated Remote Code Execution due to client-side validation …EPSS 5.1%6.1CVE-2014-103863cx live chat injection vulnerabilityThe wp-live-chat-support plugin before 4.1.0 for WordPress has JavaScript injections.EPSS 0.91%6.1CVE-2017-185073cx live chat cross-site scripting vulnerabilityThe wp-live-chat-support plugin before 7.1.05 for WordPress has XSS.EPSS 0.92%6.1CVE-2019-149503cx live chat cross-site scripting vulnerabilityThe wp-live-chat-support plugin before 8.0.27 for WordPress has XSS via the GDPR page.EPSS 1.2%6.1CVE-2016-108793cx live chat cross-site scripting vulnerabilityThe wp-live-chat-support plugin before 6.2.02 for WordPress has XSS.EPSS 0.93%6.1CVE-2017-185083cx live chat cross-site scripting vulnerabilityThe wp-live-chat-support plugin before 7.1.03 for WordPress has XSS.EPSS 0.93%6.1CVE-2019-99133cx live chat cross-site scripting vulnerabilityThe wp-live-chat-support plugin before 8.0.18 for WordPress has wp-admin/admin.php?page=wplivechat-menu-gdpr-page term XSS.EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2019-12498), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.