CVE-2026-107638
pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php
ph7software ph7builder
CVSS
7.6HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.36%Chance of exploitation activity in the next 30 days, higher than 29% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 18.5.0ph7builderCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 2
- ph7builderaffected: all versions before 18.5.0CVE List
- ph7builderunaffected: 18.5.0CVE List
References 4
- github.com/pH7Software/pH7-Social-Dating-CMS/commit/44970860b82f8af867de9d2832081485f5dbe578Fixvia CVE List
- vulncheck.com/advisories/ph7builder-before-18.5.0-2fa-brute-force-via-verificationcodeformprocess-phpAdvisoryvia CVE List
- github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.4.1/_protected/app/system/modules/two-factor-auth/forms/processing/VerificationCodeFormProcess.php#L34-L60Referencevia CVE List
- github.com/pH7Software/pH7-Social-Dating-CMSReferencevia CVE List