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Medium severity · published Jan 16, 2026
CVE-2025-14757
Cost Calculator Builder <= 3.6.9 - Missing Authorization to Unauthenticated Payment Status Bypass
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
The Cost Calculator Builder plugin for WordPress is vulnerable to Unauthenticated Payment Status Bypass in all versions up to, and including, 3.6.9 only when used in combination with Cost Calculator Builder PRO. This is due to the complete_payment AJAX action being registered via wp_ajax_nopriv, making it accessible to unauthenticated users, and the complete() function only verifying a nonce without checking user capabilities or order ownership. Since nonces are exposed to all visitors via window.ccb_nonces in the page source, any unauthenticated attacker can mark any order's payment status as "completed" without actual payment.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Cost Calculator Builder · stylemix
through 3.6.9 · source: vendor, NVD
Affected product
CC
Cost Calculator Builder
stylemix
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-14757
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14757
Product
https://plugins.trac.wordpress.org/browser/cost-calculator-builder/tags/3.6.7/includes/classes/CCBAjaxAction.php#L98
Product
https://plugins.trac.wordpress.org/browser/cost-calculator-builder/tags/3.6.7/includes/classes/CCBOrderController.php#L408
Patch
https://plugins.trac.wordpress.org/changeset/3437516/cost-calculator-builder/trunk/includes/classes/CCBOrderController.php?old=3426823&old_path=cost-calculator-builder%2Ftrunk%2Fincludes%2Fclasses%2FCCBOrderController.php
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/b8415e5f-17a4-425c-ac28-5dd886d1bcf1?source=cve
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