CVE-2019-19453

Wowza Streaming Engine through 2019-11-28 allows XSS (issue 1 of 2).

5.4 Medium

Wowza Streaming Engine before 4.8.5 allows XSS (issue 1 of 2). An authenticated user, with access to the proxy license editing is able to insert a malicious payload that will be triggered in the main page of server settings. This issue was resolved in Wowza Streaming Engine 4.8.5.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.81%Unchanged since Apr 14, 2021

What each source reports

NVD Score used 5.4

Record: CVE-2019-19453
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-19453
Updated: 2026-11-02

EUVDEUVD-2019-9073 No score

Record: EUVD-2019-9073
Updated: 2026-11-03

GitHub AdvisoriesGHSA-99r3-m8h7-8rv8 5.4

Wowza Streaming Engine through 2019-11-28 allows XSS (issue 1 of 2).

Wowza Streaming Engine through 2019-11-28 allows XSS (issue 1 of 2).

Record: GHSA-99r3-m8h7-8rv8
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

wowza streaming engine

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-19453 is a medium vulnerability (CVSS 5.4) in Wowza Streaming Engine, published August 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.81%, the 57th percentile. No source names a fixed version.