Before WordPress 4.9.5, the URL validator assumed URLs with the hostname localhost were…
Priority LOW 32CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
Before WordPress 4.9.5, the URL validator assumed URLs with the hostname localhost were on the same host as the WordPress server.
Why it matters now
EPSS 0.02636 85th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10101
- 2026-10-03 Alias added: GHSA-ccmp-622j-3xf7
References
Patch 2
Sources
- CVE-2018-10101 · CVE Program
- CVE-2018-10101 · NVD
- FIRST EPSS
- GHSA-ccmp-622j-3xf7 · GitHub Advisory Database · CC BY 4.0
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