Stored Cross-Site Scripting in the Manager component of Wowza Streaming Engine below 4.9.1 allows an unauthenticated attacker to inject client-side JavaScript into the web dashboard to automatically hijack admin accounts.
Conclusion & alert: CVE-2024-52053 is rated Moderate Risk (60.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.76%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-12 | 0.56% | 0.76% | +0.20% |
| 2 | 2026-04-05 | 0.38% | 0.56% | +0.18% |
| 3 | 2026-03-17 | — | 0.38% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.7 | 4.0 | HIGH |
|
— | — | [email protected] |
| 9.6 | 3.1 | CRITICAL |
|
2.8 | 6.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wowza | streaming_engine | >= 4.3.0, < 4.9.1 | cpe:2.3:a:wowza:streaming_engine:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.rapid7.com/blog/post/2024/11/20/multiple-vulnerabilities-in-wowza-streaming-engine-fixed/ | Third Party Advisory |
| https://www.wowza.com/docs/wowza-streaming-engine-4-9-1-release-notes | Release Notes |