CVE-2019-19453

Name: CVE-2019-19453
Creator: NVD / NIST
Published: 2020-08-03T14:15:15.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2019-19453 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.81%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wowza	Streaming Engine	< 4.8.5

References

https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19453.txtThird Party Advisory
https://www.gruppotim.it/redteamThird Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notesRelease Notes, Vendor Advisory
https://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-19453.txtThird Party Advisory
https://www.gruppotim.it/redteamThird Party Advisory
https://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-notesRelease Notes, Vendor Advisory

Timeline

Published: Aug 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19453?

How severe is CVE-2019-19453?

CVE-2019-19453 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19453?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19453?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST