Stored Cross-Site Scripting in Team Master Plugin for WordPress
CVE-2026-8870

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Team Master – A Modern WordPress Team Showcase
Vendor
CVE Published:
27 May 2026

What is CVE-2026-8870?

The Team Master plugin for WordPress allows authenticated users with contributor-level access and above to exploit a stored cross-site scripting vulnerability through insufficient input sanitization and output escaping of shortcode attributes. This flaw enables attackers to inject arbitrary web scripts into web pages, which will execute whenever a user accesses the compromised page, potentially leading to data theft or further exploitation of the site.

Affected Version(s)

Team Master – A Modern WordPress Team Showcase 0 <= 1.1.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/team-master/tr...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ
.