Cross-site scripting in SiteNarrator Text-to-Speech Widget - CVE-2025-57951

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Main Vulnerability Database Vulnerabilities #VU143640

Cross-site scripting in SiteNarrator Text-to-Speech Widget - CVE-2025-57951

Published: August 17, 2026


Vulnerability identifier: #VU143640
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L]
CVE-ID: CVE-2025-57951
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote privileged user can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.


Affected software

SiteNarrator Text-to-Speech Widget
PowerSwitch Z9864F-ON

How to mitigate CVE-2025-57951

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

PowerSwitch Z9864F-ON - update to 3.5.0

External References

Related Security Bulletins