What’s Vulnerable › Vulnerabilities

CVE-2019-16973

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-22 · updated 2026-06-17
• Weakness: CWE-79

Description

In FusionPBX up to 4.5.7, the file app\contacts\contact_edit.php uses an unsanitized "query_string" variable coming from the URL, which is reflected in HTML, leading to XSS.

Affected products

• fusionpbx: through 4.5.7

References

• https://github.com/fusionpbx/fusionpbx/commit/cc820b2eb12a3b7070afdcb7f977f70a1d49ce49
• https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-6/
• https://github.com/fusionpbx/fusionpbx/commit/cc820b2eb12a3b7070afdcb7f977f70a1d49ce49
• https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-6/

Get alerted when CVE-2019-16973 or the next vulnerability affects your stack