What is CVE-2026-10865?

CVE-2026-10865 is a medium-severity vulnerability in Stylemix Cost Calculator Builder, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-07-11.

How severe is CVE-2026-10865?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Stylemix Cost Calculator Builder

CVE-2026-10865

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.

Vulnerability class: Information Disclosure

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Stylemix Cost Calculator Builder — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Frequently asked questions

What is CVE-2026-10865?: CVE-2026-10865 is a medium-severity vulnerability in Stylemix Cost Calculator Builder, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-07-11.
How severe is CVE-2026-10865?: Medium severity. CVSS v3 base score is 5.3 out of 10.