What is CVE-2025-58209?

CVE-2025-58209 is a medium-severity vulnerability in Rtcamp Transcoder, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-08-27.

How severe is CVE-2025-58209?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-58209 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Rtcamp Transcoder

CVE-2025-58209

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in rtCamp Transcoder transcoder allows Stored XSS.This issue affects Transcoder: from n/a through <= 1.4.0.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (4.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Affected products

Rtcamp Transcoder — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-58209?: CVE-2025-58209 is a medium-severity vulnerability in Rtcamp Transcoder, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-08-27.
How severe is CVE-2025-58209?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-58209 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.