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CVE-2025-54300

HighPublished

Extension - norrnext.com - Stored XSS vulnerability in Quantum Manager component 1.0.0-3.2.0 for Joomla

Published: Aug 25, 2025
Updated: Aug 25, 2025
Assigning CNA: Joomla
Evidence observed: Aug 28, 2026

Primary CVSS

8.5/ 10High

nvd · CVSS 4.0

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

EPSS probability estimate

0.3%

Low · next 30 days

Percentile: 24.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

joomla_exploitsExploit
Curated collection of validated Joomla exploit artifacts with Docker lab environments. Includes RCE, SQLi, XSS, and privilege escalation scripts organized by practical offensive utility for penetration testing and research.

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