SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-19453

Wowza Streaming Engine before 4.8.5 allows XSS (issue 1 of 2).

MEDIUM 5.4EPSS 0.81%

Does this matter?

Lower severity and a low EPSS score (0.81%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.81% probability · 57th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
wowza/streaming engine
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.81%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.