🔐 CVE Alert

CVE-2026-54804

HIGH 7.6

WordPress Melhor Envio plugin <= 2.16.3 - Broken Authentication vulnerability

CVSS Score
7.6
EPSS Score
0.0%
EPSS Percentile
0th

Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.

CWE CWE-288
Vendor melhorenvio
Product melhor envio
Published Jun 17, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High

Affected Versions

melhorenvio / Melhor Envio
n/a ≤ 2.16.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗
patchstack.com: https://patchstack.com/database/wordpress/plugin/melhor-envio-cotacao/vulnerability/wordpress-melhor-envio-plugin-2-16-3-broken-authentication-vulnerability?_s_id=cve

Credits

HieuPenguinnn | Patchstack Bug Bounty Program