Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hoststreamsell HSS Embed Streaming Video allows Reflected XSS. This issue affects HSS Embed Streaming Video: from n/a through 3.23.

Classification

CVE ID: CVE-2025-23523

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

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

Affected Products

Vendor: hoststreamsell

Product: HSS Embed Streaming Video

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.99% (scored less or equal to compared to others)

EPSS Date: 2025-03-15 (when was this score calculated)

References

https://patchstack.com/database/wordpress/plugin/hss-embed-streaming-video/vulnerability/wordpress-hss-embed-streaming-video-plugin-3-23-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline