CVE-2026-19251: Unknown Ultimate Member

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The Ultimate Member WordPress plugin before 2.13.0 does not check whether a comment has been approved, or whether the profile it belongs to is private, before returning profile activity to unauthenticated visitors, allowing them to read the content of comments still awaiting moderation.

Affected products

• Unknown Ultimate Member: before 2.13.0 (fixed in 2.13.0)

Published 2026-09-02. Last modified 2026-09-03.