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Fencer Intel
critical 9.9

CVE-2026-40750 json

WordPress Kids Online Store theme <= 0.8.9 - Arbitrary File Upload vulnerability

published 4mo ago modified 14d ago also EUVD-2026-37065

cvss
9.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

Unrestricted Upload of File with Dangerous Type vulnerability in themagnifico52 Kids Online Store allows Upload a Web Shell to a Web Server.

This issue affects Kids Online Store: from n/a through 0.8.9.

Patch / fix

  • themagnifico52 Kids Online Store 0.9.0

Is CVE-2026-40750 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
4mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

  • themagnifico52 Kids Online Store

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.