CVE-2025-54301: norrnext.com Quantum Mamanger component for Joomla · Cross-site Scripting
Affects norrnext.com Quantum Mamanger component for JoomlaSource CVE Database V5
Not known to be exploited · CVSS 8.5 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| norrnext.com Quantum Mamanger component for Joomla | Affected
| Fixed in– |
AI-suggested
- Immediate upgrade or patching: Organizations should monitor norrnext.com and Joomla security advisories for official patches addressing this vulnerability and apply them promptly.
- Input validation and output encoding: Until patches are available, administrators should implement strict input validation on file names and ensure proper output encoding/escaping in the web interface to neutralize malicious scripts.
- Web Application Firewall (WAF): Deploy or update WAF rules to detect and block typical XSS payloads targeting the Quantum Manager component. Custom rules can be crafted based on known attack patterns.
- Content Security Policy (CSP): Implement CSP headers to restrict the execution of unauthorized scripts in browsers, mitigating the impact of XSS attacks.
- Privilege management: Restrict access to the Quantum Manager component to trusted users only, minimizing the risk of malicious input submission.
- Regular security audits: Conduct code reviews and penetration testing focused on input handling in Joomla components.
- User awareness: Educate administrators and users about the risks of XSS and encourage vigilance when interacting with web content.
- Monitoring and incident response: Set up logging and alerting for suspicious activities related to the component and prepare incident response plans for potential exploitation.
Description
A stored XSS vulnerability in Quantum Manager component 1.0.0-3.2.0 for Joomla was discovered. File names are not properly escaped.