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    CVE-2026-108903

    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.

    Published:Oct 11, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 11, 2026
    EPSS Score:0.0027
    CVSS Score:5.3

    Affected Products

    Vendor
    Ph7software
    Product
    Ph7builder

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-108904 (CVSS 7.1) — pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an information disclosure vulnerability that allows …
    CVE-2026-108902 (CVSS 7.2) — pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains a path traversal vulnerability in the picture module…
    CVE-2026-107638 (CVSS 7.6) — pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an improper restriction of authentication attempts v…
    CVE-2026-107637 (CVSS 5.3) — pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an improper authorization vulnerability in the note …
    CVE-2026-107636 (CVSS 7.1) — pH7Builder (pH7 Social Dating CMS) before 18.5.1 contains a payment validation vulnerability that allows regis…
    CVE-2026-37603 (CVSS 6.5) — Improper Restriction of Excessive Authentication Attempts in the administration login of pH7Software pH7Builde…
    CVE-2026-37604 (CVSS 6.5) — pH7Software pH7Builder (pH7 Social Dating CMS) through 18.2.0 resolves the client IP address in _protected/fra…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High