mailform version 1.04 allows remote attackers to execute arbitrary PHP code via unspecified vectors.
Priority MEDIUM 46CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
mailform version 1.04 allows remote attackers to execute arbitrary PHP code via unspecified vectors.
Why it matters now
EPSS 0.02274 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| keitai-site.net | mailform | version 1.04 | — | No fix listed | CNA |
- mailform Vendorkeitai-site.net Affected version 1.04 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5553
- 2026-10-03 Alias added: GHSA-48xv-vxf2-m8qm
References
More Mailform vulnerabilities
- TI-2020-04522 Cross-site scripting in keitai-site.net mailform CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-5553 · CVE Program
- CVE-2020-5553 · NVD
- FIRST EPSS
- GHSA-48xv-vxf2-m8qm · 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