CVE-2025-54300

HIGH
2025-08-25 [email protected]
8.5
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:08 vuln.today
CVE Published
Aug 25, 2025 - 07:15 nvd
HIGH 8.5

Tags

XSS Joomla

Description

A stored XSS vulnerability in Quantum Manager component 1.0.0-3.2.0 for Joomla was discovered. The SVG upload feature does not sanitize uploads.

Analysis

A stored XSS vulnerability in Quantum Manager component 1.0.0-3.2.0 for Joomla was discovered. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A stored XSS vulnerability in Quantum Manager component 1.0.0-3.2.0 for Joomla was discovered. The SVG upload feature does not sanitize uploads.

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +42
POC: 0

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CVE-2025-54300 vulnerability details – vuln.today
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