CVE-2026-107638

MEDIUM 6.8

pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php

CVSS Score

6.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-307
Vendor	ph7software
Product	ph7builder
Published	Oct 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

ph7software / ph7builder

0 < 18.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/44970860b82f8af867de9d2832081485f5dbe578 github.com: https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.4.1/_protected/app/system/modules/two-factor-auth/forms/processing/VerificationCodeFormProcess.php#L34-L60 github.com: https://github.com/pH7Software/pH7-Social-Dating-CMS vulncheck.com: https://www.vulncheck.com/advisories/ph7builder-before-18.5.0-2fa-brute-force-via-verificationcodeformprocess-php

Credits

Haluk Baran AKBULUT (CyberMap Group)