Melhor Envio: A security weakness
Melhor Envio is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is n/a through 2.16.3.
- Component
- Melhor Envio
- Plugin slug
melhor-envio-cotacao- Affected
- n/a through 2.16.3
- Safe version
2.16.4- Published
- Jun 17, 2026
This CVE was published Jun 17, 2026 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update Melhor Envio to 2.16.4 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
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H