CVE-2026-1900

Link Whisper Free < 0.9.1 - Unauthenticated Settings and User Meta Update

CVSS 6.5 MEDIUMEPSS 0.2%

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 6.5EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

07 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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

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

Affected products

public PoCs found — 1

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References