The Donation Button WordPress plugin through 4.0.0 does not properly check for privileges and nonce tokens in its "donation_button_twilio_send_test_sms" AJAX action, which may allow any users with an account on the affected site, like subscribers, to use the plugin's Twilio integration to send SMSes to arbitrary phone numbers.
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)