CVE Catalog

CVE-2026-108903

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.27%

18th percentile - higher than 18% of all known CVEs

Summary

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.

Risk Assessment

Organizations using pH7Builder are exposed to automated abuse such as spam, mass registrations, or contact form attacks, which can lead to system clutter and resource exhaustion.

Recommendation

Update pH7Builder to version 19.3.0 or later, which fixes this vulnerability. Until patched, consider additional server-side validation mechanisms for all forms.

Other vulnerabilities in pH7Builder

See all
Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS