Link Whisper Free: A security weakness
Link Whisper Free is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 0.9.1.
- Component
- Link Whisper Free
- Plugin slug
link-whisper- Affected
- < 0.9.1
- Safe version
0.9.1- Published
- Apr 07, 2026
This CVE was published Apr 07, 2026 and is one of 11 known issues for this plugin.
Update, patch or deactivate.
Update Link Whisper Free to 0.9.1 or later, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauthenticated settings updates.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N