Arbitrary file upload in Buttercms

CVE-2022-27260

An arbitrary file upload vulnerability in the file upload component of ButterCMS v1.2.8 allows attackers to execute arbitrary code via a crafted SVG file.

Vulnerability class: Unrestricted File Upload

EPSS: 0.029 (85.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Buttercms — versions 1.2.8
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-27260?
CVE-2022-27260 is a critical-severity vulnerability in Buttercms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-04-12.
How severe is CVE-2022-27260?
Critical severity. CVSS v3 base score is 9.8 out of 10.