What’s Vulnerable › Vulnerabilities

CVE-2026-8870: Team Master <= 1.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-17
• Weakness: CWE-79

Description

The Team Master – A Modern WordPress Team Showcase plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 1.1.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• adnanmoqsood Team Master – A Modern WordPress Team Showcase: through 1.1.2

References

• https://plugins.trac.wordpress.org/browser/team-master/trunk/public/partials/team-master-public-shortcode.php#L106
• https://www.wordfence.com/threat-intel/vulnerabilities/id/2990a3ba-3dad-4204-bccc-ed5c23d9d581?source=cve

Get alerted when CVE-2026-8870 or the next vulnerability affects your stack