CVE-2023-42346

Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host

High · published May 8, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
13.3
In the wild
Unconfirmed
What it is

Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00232 · 13.3th percentile
Published
2026-05-08T00:00Z
EPSS history
Timeline
  • 08 MAY 00:00Z
    Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host
    cvelistv5