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Fencer Vulns
high 8.8

CVE-2025-13827 json

GrapesJsBuilder File Upload allows all file uploads

published 2025-12-02 11 mo ago modified 2026-10-18 21 d ago also GHSA-5xw2-57jx-pgjp , EUVD-2025-200276

cvss
8.8
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

Summary Arbitrary files can be uploaded via the GrapesJS Builder, as the types of files that can be uploaded are not restricted. ImpactIf the media folder is not restricted from running files this can lead to a remote code execution.

Patch / fix

  • packagist mautic/grapes-js-builder-bundle 4.4.18, 5.2.9, 6.0.7

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
11 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.8 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CNA 4.0 8.8 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected packages

ecosystem package affected fixed in
packagist mautic/grapes-js-builder-bundle
>=4.0.0, <4.4.18
>=5.0.0, <5.2.9
>=6.0.0, <6.0.7
4.4.18
5.2.9
6.0.7

Affected products

  • Mautic Mautic

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.