WordPress Melhor Envio plugin <= 2.16.3 - Broken Authentication vulnerability
Priority LOW 33CWE-288Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.
Summary
Subscriber Broken Authentication in Melhor Envio <= 2.16.3 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00274 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| melhorenvio | Melhor Envio | up to 2.16.3 | — | No fix listed | CNA |
- Melhor Envio Vendormelhorenvio Affected up to 2.16.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-54804
- 2026-10-03 Alias added: GHSA-g54j-mfpf-9c6r
More melhorenvio vulnerabilities
- TI-2024-12844 Melhor Envio <= 2.15.11 - Unauthenticated Sensitive Information Exposure via Hardcoded Hash CVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-54804 · CVE Program
- CVE-2026-54804 · NVD
- FIRST EPSS
- GHSA-g54j-mfpf-9c6r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences