CVE-2026-108903
Published:October 11, 2026
Updated:October 13, 2026
pH7Builder (pH7 Social Dating CMS) before 19.3.0 contains a CAPTCHA bypass vulnerability that allows unauthenticated attackers to skip form validation by supplying a client-chosen form ID to PFBC Form::isValid(). Attackers can load a CAPTCHA-free form like login or search, then submit its ID with contact, comment, forum, invite or signup data to automate abuse.
Affected Packages
https://github.com/pH7Software/pH7-Social-Dating-CMS.git (GITHUB):
Affected version(s) >=v19.0.0 <v19.3.0Fix Suggestion:
Update to version v19.3.0ph7software/ph7builder (PHP):
Affected version(s) >=v19.0.0 <v19.3.0Fix Suggestion:
Update to version v19.3.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Reliance on Untrusted Inputs in a Security Decision
EPSS
Base Score:
0.27