CVE-2021-24808: Wordplus Better Messages

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the 'subject' parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

Affected products

• Wordplus Better Messages: before 1.9.9.41 (fixed in 1.9.9.41)

Published 2021-11-01. Last modified 2026-06-17.