peter bassill · operator
$ cve CVE-2021-27817 JSON

CVE-2021-27817

9.8
CRITICAL · CVSS 3.1 · EPSS 3.2% (pctl 88)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

A remote command execution vulnerability in shopxo 1.9.3 allows an attacker to upload malicious code generated by phar where the suffix is JPG, which is uploaded after modifying the phar suffix.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS3.23% — more likely to be exploited than 88% of all CVEs
WeaknessCWE-434
On CISA KEVno
Public exploitnone known
Published2021-03-15
Last modified2026-06-17

Affected (1)

VendorProduct
shopxoshopxo

References

→ the Explorer  ·  watch your stack  ·  NVD