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Vulnerability record · CVE-2019-13176 · published 8 August 2019

CVE-2019-13176: 3cx xml external entity (xxe) vulnerability

3cx · 3cx

An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST data. There is potential to use this for SSRF (reading local files, outbound HTTP, and outbound DNS).

7.5 CVSS 3.0 High EPSS 2.5% · top 16.2% CWE-611 · XML external entity (XXE)
7.5CVSS 3.0 base score, v2 5.0
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST data. There is potential to use this for SSRF (reading local files, outbound HTTP, and outbound DNS).

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

Affected products

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

References

LinkTags
https://www.logicallysecure.com/blog/3cx-phone-system-web-console-affected-by-xxe/ ExploitThird Party Advisory
https://www.logicallysecure.com/blog/3cx-phone-system-web-console-affected-by-xxe/ ExploitThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2019-13176), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.