CVE-2026-9053

Mothra would respect a default value given by a website for HTML file upload forms

Medium · published May 22, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
36.0
In the wild
Unconfirmed
What it is

Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:P/AU:N/R:A/RE:L/U:Amber
EPSS
0.00428 · 36.0th percentile
Published
2026-05-22T02:57Z
EPSS history
Timeline
  • 22 MAY 02:57Z
    Mothra would respect a default value given by a website for HTML file upload forms
    cvelistv5