CVE-2021-28975

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p58

Published

Oct 21, 2021 (Oct 21, 2021)

Modified

Jun 17, 2026

Description

WP Mailster 1.6.18.0 allows XSS when a victim opens a mail server's details in the mst_servers page, for a crafted server_host, server_name, or connection_parameter parameter.

Vendors: wpmailster
Products: wp mailster
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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