CVE-2021-24821: Nicdark Cost Calculator

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The Cost Calculator WordPress plugin before 1.6 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the Description fields of a Cost Calculator > Price Settings (which gets injected on the edit page as well as any page that embeds the calculator using the shortcode), as well as the Text Preview field of a Project (injected on the edit project page)

Affected products

• Nicdark Cost Calculator: before 1.6 (fixed in 1.6)

Published 2022-03-07. Last modified 2026-06-17.