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Fencer Vulns
high 8.8

CVE-2023-48217 json

Remote code execution via form uploads in statamic/cms

published 2023-11-14 2 y ago modified 2026-09-10 1 mo ago also GHSA-2r53-9295-3m86 , EUVD-2023-2850

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

Statamic is a flat-first, Laravel + Git powered CMS designed for building websites. In affected versions certain additional PHP files crafted to look like images may be uploaded regardless of mime type validation rules. This affects front-end forms using the "Forms" feature, and asset upload fields in the control panel. Malicious users could leverage this vulnerability to upload and execute code. This issue has been patched in versions 3.4.14 and 4.34.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Patch / fix

  • packagist statamic/cms 3.4.14, 4.34.0
  • statamic cms 3.4.14, 4.34.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 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 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist statamic/cms
>=4.0.0, <4.34.0
<3.4.14
4.34.0
3.4.14

Affected products

  • statamic cms

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
  • 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.