CVE-2026-54804
WordPress Melhor Envio plugin <= 2.16.3 - Broken Authentication vulnerability
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress Melhor Envio plugin <= 2.16.3 - Broken Authentication vulnerability
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
- Record
CVE-2026-54804- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2026-37640
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
- Record
EUVD-2026-37640- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g54j-mfpf-9c6r
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
- Record
GHSA-g54j-mfpf-9c6r- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
- Record
CVE-2026-54804- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-288
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-54804 is a high vulnerability (CVSS 7.6) in Melhorenvio Melhor Envio, published June 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.