CVE-2026-9585

HIGH
MEDIUM Priority: 0.05 BB Relevance: 67/100
Published: 2026-07-17 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Passive
S: X
AT: None
VC: High
VI: High
VA: None

Description

An unauthenticated reflected cross-site scripting (XSS) vulnerability exists in Sangoma Switchvox SMB Edition version 8.3 (104997). The application fails to properly sanitize the portal parameter supplied to the invalid_browser and invalid_browser_login handlers. User-supplied data is reflected into JavaScript generated by the application, allowing attacker-controlled script execution within a victim's browser.

Weakness Classification (1)

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.6 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.55%
Raw Score 0.005540
Percentile 46.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00554
2026-10-28
0.00554

Intelligence Sources

nvd ref →