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Fencer Vulns
high 8.8

CVE-2024-40400 json

Automad arbitrary file upload vulnerability

published 2024-07-19 2 y ago modified 2026-06-17 4 mo ago also GHSA-47mc-qmh2-mqj4 , EUVD-2024-2244

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

An arbitrary file upload vulnerability in the image upload function of Automad v2.0.0 allows attackers to execute arbitrary code via a crafted file.

Patch / fix

  • packagist automad/automad 2.0.0-alpha.5

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/marcantondahmen/automad/issues/106 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist automad/automad
<2.0.0-alpha.5
2.0.0-alpha.5

Affected products

  • automad automad

Classification

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

References

Sources

Fencer Vulns 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.