CVE-2026-107636
MEDIUMDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 24% of all known CVEs.
References
Related Vulnerabilities
Other CWE-472 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-25153 | Critical | 9.8 | 42% | - | Fix |
| CVE-2025-6191 | High | 8.8 | 11% | - | Fix |
| CVE-2025-7656 | High | 8.8 | 11% | - | Fix |
| CVE-2026-8510 | High | 7.5 | 10.0% | - | Fix |
| CVE-2017-5261 | High | 8.8 | 8.9% | - | - |
| CVE-2025-10891 | High | 8.8 | 8.4% | - | Fix |
Common questions
How do I fix CVE-2026-107636?
No published fix for CVE-2026-107636 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-107636 being actively exploited?
Not that we know of. CVE-2026-107636 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.31% is the estimated probability that it will be exploited in the next 30 days. That is higher than 24% of all scored CVEs.
How severe is CVE-2026-107636?
CVE-2026-107636 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-08.