CVE-2026-107636: high-severity vulnerability in ph7software ph7builder
pH7Builder before 18.5.1 Payment Bypass via Payment Module MainController
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.3%
pH7Builder (pH7 Social Dating CMS) before 18.5.1 contains a payment validation vulnerability that allows registered low-privileged members to obtain any membership tier by supplying client-controlled plan and amount fields. Attackers can set item_number, cart_order_id, or the PayPal custom field while paying a token amount, or submit uncompleted PayPal IPN payments, to gain the most expensive membership and its paid features.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
ph7software · ph7builderRelated CVEs — ph7software ph7builder
In the same product, most dangerous first.
CVE-2026-108902HIGHpH7Builder before 18.5.0 Path Traversal Arbitrary File Deletion via picture_linkEPSS 0.4%CVE-2026-107638HIGHpH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.phpEPSS 0.4%CVE-2026-108904HIGHpH7Builder before 18.5.0 Sensitive Data Exposure via Member API UserControllerEPSS 0.3%CVE-2026-108905HIGHpH7Builder before 18.6.0 Hard-Coded API Key Bypass via Host HeaderEPSS 0.3%CVE-2026-108903MEDIUMpH7Builder before 19.3.0 CAPTCHA Bypass via Client-Chosen Form IDEPSS 0.3%CVE-2026-107637MEDIUMpH7Builder before 18.5.0 Improper Authorization via Note Module delete() ActionEPSS 0.2%
References
https://github.com/pH7Software/pH7-Social-Dating-CMShttps://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.0/_protected/app/system/modules/payment/controllers/MainController.php#L274-L380https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/5218d017491fc855c0c788bd020e2376efdee76ehttps://www.vulncheck.com/advisories/ph7builder-before-18.5.1-payment-bypass-via-payment-module-maincontroller