Medium (6.5). EPSS 0.7% chance of exploitation in the next 30 days.
The Simple Basic Contact Form plugin for WordPress for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 20240502. This allows unauthenticated attackers to execute arbitrary shortcodes. The severity and exploitability depends on the functionality of other plugins installed in the environment.
Severity
CVSS 3.1
6.5 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS
0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)