CVE-2026-7753
Cost Calculator Builder <= 3.6.17 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Disclosure
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing capability check on the cost-calculator-custom-export-run AJAX action (handler CCBExportImport::export_calculators()) in all versions up to, and including, 3.6.17. The handler only verifies a nonce, but the corresponding ccb_export_nonce is broadcast on every wp-admin page (including pages reachable to Subscribers, such as /wp-admin/profile.php) by the ccb_add_admin_nonces callback hooked to admin_head. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export every calculator's full configuration — including stored Stripe secret keys, PayPal client secrets, Razorpay secret keys, webhook secret keys, and reCAPTCHA secret keys.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.5
Cost Calculator Builder <= 3.6.17 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Disclosure
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing capability check on the cost-calculator-custom-export-run AJAX action (handler CCBExportImport::export_calculators()) in all versions up to, and including, 3.6.17. The handler only verifies a nonce, but the corresponding ccb_export_nonce is broadcast on every wp-admin page (including pages reachable to Subscribers, such as /wp-admin/profile.php) by the ccb_add_admin_nonces callback hooked to admin_head. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export every calculator's full configuration — including stored Stripe secret keys, PayPal client secrets, Razorpay secret keys, webhook secret keys, and reCAPTCHA secret keys.
- Record
CVE-2026-7753- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-53033
6.5
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing capability check on the cost-calculator-custom-export-run AJAX action (handler CCBExportImport::export_calculators()) in all versions up to, and including, 3.6.17. The handler only verifies a nonce, but the corresponding ccb_export_nonce is broadcast on every wp-admin page (including pages reachable to Subscribers, such as /wp-admin/profile.php) by the ccb_add_admin_nonces callback hooked to admin_head. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export every calculator's full configuration — including stored Stripe secret keys, PayPal client secrets, Razorpay secret keys, webhook secret keys, and reCAPTCHA secret keys.
- Record
EUVD-2026-53033- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w9j3-mf3m-82pj
6.5
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of...
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing capability check on the cost-calculator-custom-export-run AJAX action (handler CCBExportImport::export_calculators()) in all versions up to, and including, 3.6.17. The handler only verifies a nonce, but the corresponding ccb_export_nonce is broadcast on every wp-admin page (including pages reachable to Subscribers, such as /wp-admin/profile.php) by the ccb_add_admin_nonces callback hooked to admin_head. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export every calculator's full configuration — including stored Stripe secret keys, PayPal client secrets, Razorpay secret keys, webhook secret keys, and reCAPTCHA secret keys.
- Record
GHSA-w9j3-mf3m-82pj- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
6.5
The Cost Calculator Builder plugin for WordPress is vulnerable to unauthorized access of sensitive data due to a missing capability check on the cost-calculator-custom-export-run AJAX action (handler CCBExportImport::export_calculators()) in all versions up to, and including, 3.6.17. The handler only verifies a nonce, but the corresponding ccb_export_nonce is broadcast on every wp-admin page (including pages reachable to Subscribers, such as /wp-admin/profile.php) by the ccb_add_admin_nonces callback hooked to admin_head. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export every calculator's full configuration — including stored Stripe secret keys, PayPal client secrets, Razorpay secret keys, webhook secret keys, and reCAPTCHA secret keys.
- Record
CVE-2026-7753- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-7753 is a medium vulnerability (CVSS 6.5) in Stylemix Cost Calculator Builder, published August 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/89de168e-1bce-4e11-a765-afc1d7dce8fe?source=cve
plugins.trac.wordpress.org/browser/cost-calculator-builder/trunk/includes/classes/CCBExportImport.php
plugins.trac.wordpress.org/browser/cost-calculator-builder/tags/3.6.17/includes/classes/CCBExportImport.php
plugins.trac.wordpress.org/browser/cost-calculator-builder/tags/3.6.17/includes/install.php
plugins.trac.wordpress.org/changeset?new=3531960%40cost-calculator-builder%2Ftrunk&old=3528688%40cost-calculator-builder%2Ftrunk
nvd.nist.gov/vuln/detail/CVE-2026-7753
github.com/advisories/GHSA-w9j3-mf3m-82pj