How severe is CVE-2019-19453?

CVE-2019-19453 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-19453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19453?

CVE-2019-19453 affects Wowza Streaming Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-19453 published?

CVE-2019-19453 was published on 2020-08-03 and last updated on 2026-06-17.

CVE-2019-19453

CVE-2019-19453 is a medium-severity vulnerability in Wowza Streaming Engine with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wowza Streaming Engine
Published: 2020-08-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-19453?: 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.
How severe is CVE-2019-19453?: CVE-2019-19453 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-19453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19453?: CVE-2019-19453 affects Wowza Streaming Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19453 published?: CVE-2019-19453 was published on 2020-08-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:*

More vulnerabilities in Wowza Streaming Engine

CVE-2018-7047 — Critical (CVSS 9.8): An issue was discovered in the MBeans Server in Wowza Streaming Engine before 4.7.1. The file system may be read and…
CVE-2024-52053 — Critical (CVSS 9.6): Stored Cross-Site Scripting in the Manager component of Wowza Streaming Engine below 4.9.1 allows an unauthenticated…
CVE-2018-19365 — Critical (CVSS 9.1): The REST API in Wowza Streaming Engine 4.7.4.01 allows traversal of the directory structure and retrieval of a file via…
CVE-2016-20034 — High (CVSS 8.8): Wowza Streaming Engine 4.5.0 contains a privilege escalation vulnerability that allows authenticated read-only users to…
CVE-2020-9004 — High (CVSS 8.8): A remote authenticated authorization-bypass vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any…
CVE-2021-35491 — High (CVSS 8.1): A Cross-Site Request Forgery (CSRF) vulnerability in Wowza Streaming Engine through 4.8.11+5 allows a remote attacker…

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