STVS ProVision 5.9.10 Authenticated Reflected Cross-Site Scripting via Files Parameter

Advisories

severity: medium
date: December 31, 2025
Affecting: STVS ProVision 5.9.10, 5.9.9, 5.9.7, 5.9.1, 5.9.0, 5.8.6, 5.7, 5.6, 5.5
CVE: CVE-2021-47725
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 4.8
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References: Zero Science Lab Disclosure (ZSL-2021-5624)
Packet Storm Security Exploit Entry
CXSecurity Vulnerability Listing
IBM X-Force Vulnerability Exchange
Vendor Homepage
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: STVS ProVision 5.9.10 contains a cross-site scripting vulnerability in the 'files' POST parameter that allows authenticated attackers to inject arbitrary HTML code. Attackers can exploit the unvalidated input to execute malicious scripts within a user's browser session in the context of the affected site.