CVE-2026-107638
pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php
- State
- Published
- Severity
- 7.6 High
- Published
- Oct 8, 2026
- Updated
- Oct 8, 2026
- Reserved
- Oct 8, 2026
Description
pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an improper restriction of authentication attempts vulnerability that allows attackers to bypass two-factor authentication by guessing TOTP codes without limits. Attackers who know an account password can submit unlimited 6-digit verification codes to VerificationCodeFormProcess.php to take over member, affiliate, or administrator accounts.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.6 High | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-307 Improper Restriction of Excessive Authentication Attempts
Affected Products
| Product | Versions |
|---|---|
ph7builderph7software |
|
References
- Patch Commitpatch
- https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.4.1/_protected/app/system/modules/two-factor-auth/forms/processing/VerificationCodeFormProcess.php#L34-L60technical-description
- https://github.com/pH7Software/pH7-Social-Dating-CMSproduct
- VulnCheck Advisory: pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.phpthird-party-advisory
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