CVE-2026-107638
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 7.6 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.36% probability · 30th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-307
- Source
- disclosure@vulncheck.com
EPSS moved from 0.4% on 9 October 2026 to 0.4% on 26 October 2026.
References
- https://github.com/pH7Software/pH7-Social-Dating-CMS
- 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
- https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/44970860b82f8af867de9d2832081485f5dbe578
- https://www.vulncheck.com/advisories/ph7builder-before-18.5.0-2fa-brute-force-via-verificationcodeformprocess-php
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.