5.3
Medium
CVE-2026-10865 The Cost Calculator Builder plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up…
Description
The Cost Calculator Builder plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.0.11 via the (template body). This makes it possible for unauthenticated attackers to extract the plaintext Stripe secret key, Razorpay secret key, and PayPal client_secret embedded in the page source of any page containing a calculator, enabling full control of the merchant's payment gateway accounts. This exposure only occurs when the 'use in all calculators' option is enabled for one or more payment gateways in the plugin's global settings.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cost Calculator Builder 4.0 | earliest → 4.0.11 | No fix stated |
Other CVEs of Cost Calculator Builder
The 13 CVEs of Cost Calculator Builder →
CVE-2026-7753
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing…
6.5
Medium
CVE-2025-14755
The Cost Calculator Builder plugin for WordPress is vulnerable to Unauthenticated Price Manipulation and Insecure Direct…
5.3
Medium
CVE-2025-14757
The Cost Calculator Builder plugin for WordPress is vulnerable to Unauthenticated Payment Status Bypass in all…
5.3
Medium
CVE-2025-12529
The Cost Calculator Builder plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file…
8.8
High