CVE-2026-1900: Linkwhisper Link Whisper

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauthenticated settings updates.

Affected products

• Linkwhisper Link Whisper: before 0.9.1 (fixed in 0.9.1)

Published 2026-04-07. Last modified 2026-06-17.