CVE-2026-81780
CriticalPublished
WordPress Hash Form plugin <= 1.4.2 - Arbitrary File Upload vulnerability
- Published
- Aug 31, 2026
- Updated
- Sep 1, 2026
- Assigning CNA
- Patchstack
- Evidence observed
- Sep 7, 2026
Primary CVSS
10.0/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H0.3%
Low · next 30 days
- Percentile
- 21.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.
Sources
1- CVE-2026-81780-Hash-FormExploit
Exploit for CVE-2026-81780: unauthenticated file upload in WordPress Hash Form plugin leading to remote code execution via crafted PHP payloads.
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