High (7.2). EPSS 0.5% chance of exploitation in the next 30 days.
The SendPulse Free Web Push plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.3.6 due to incorrect use of the wp_kses_allowed_html function. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity
CVSS 3.1
7.2 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)