PT-2026-43518 · Adnanmoqsood+1 · Team Master – A Modern Wordpress Team Showcase+1

Dj + 1 · CVE-2026-8870 · Published 2026-05-26 · Updated 2026-06-04

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions The Team Master – A Modern WordPress Team Showcase versions prior to 1.1.3

Description Insufficient input sanitization and output escaping allow authenticated attackers with contributor-level access and above to perform Stored Cross-Site Scripting (XSS). This occurs via shortcode attributes, enabling the injection of arbitrary web scripts into pages that execute when accessed by other users.

Recommendations Update to a version newer than 1.1.2.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-8870

Affected Products

Team Master – A Modern Wordpress Team Showcase

Team-Master

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-8870 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2990a3ba-3dad-4204-bccc-ed5c23d9d581?source=cve · Note
• https://plugins.trac.wordpress.org/browser/team-master/trunk/public/partials/team-master-public-shortcode.php#L106 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2990a3ba-3dad-4204-bccc-ed5c23d9d581?source=api-prod · Note
• https://reddit.com/r/StopBadBots/comments/1twww49/insane_record_145_wordpress_plugins_exposed_with · Reddit Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-8870 · Note