CVE-2021-26642CWE-434

XpressEngine file upload vulnerability

High · published January 20, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
66.9
In the wild
Unconfirmed
What it is

When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01162 · 66.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2023-01-20T00:00Z
EPSS history
Timeline
  • 20 JAN 00:00Z
    XpressEngine file upload vulnerability
    cvelistv5