CVE-2026-108903

medium

Description

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.

References

https://www.vulncheck.com/advisories/ph7builder-before-19.3.0-captcha-bypass-via-client-chosen-form-id

https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/4758d7d2ebfd5772faa25ef728c14f8f452e82f4

https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v19.2.0/_protected/app/system/modules/contact/forms/ContactForm.php#L33-L38

https://github.com/pH7Software/pH7-Social-Dating-CMS

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97066

Details

Source: Mitre, NVD

Published: 2026-10-11

Updated: 2026-10-11

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium