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CVE-2026-39548 Sneeit CVE debrief

CVE-2026-39548 is a high-severity Unauthenticated Cross Site Scripting (XSS) vulnerability in MagOne versions <= 9.0. This vulnerability, with a CVSS score of 7.1, allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability was published on June 17, 2026, and last modified on the same day. Users of affected versions should apply patches or mitigations as soon as possible to prevent exploitation.

Vendor
Sneeit
Product
MagOne
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and users of MagOne versions <= 9.0 should be aware of this vulnerability and take necessary actions to secure their installations. Web application security teams and developers using MagOne themes should prioritize patching and monitoring for potential attacks.

Technical summary

CVE-2026-39548 is a high-severity Unauthenticated Cross Site Scripting (XSS) vulnerability in MagOne versions <= 9.0. The vulnerability has a CVSS score of 7.1 and a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. It is categorized under CWE-79. The vulnerability allows attackers to inject malicious scripts into web pages viewed by other users, potentially leading to unauthorized actions or data breaches.

Defensive priority

high

Recommended defensive actions

  • Apply patches or updates to MagOne versions <= 9.0 as soon as possible.
  • Implement web application firewalls (WAFs) to detect and block suspicious traffic.
  • Use secure coding practices to prevent XSS vulnerabilities in custom code.
  • Regularly monitor web applications for potential attacks and anomalies.
  • Educate users about the risks of XSS attacks and how to identify suspicious activity.
  • Consider using security scanning tools to identify vulnerabilities in web applications.

Evidence notes

The information provided is based on data from official sources, including the CVE.org and NVD. The CVE record and NVD detail pages provide additional information about the vulnerability.

Official resources

public