Description
OpenCMS v20 and before is vulnerable to XML External Entity (XXE) in the Admin Import DB feature due to insecure XML parsing of user supplied .zip files containing a manifest.xml.
References (1)
Core 1
Scores
CVSS v3
9.8
EPSS
0.0030
EPSS Percentile
21.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-611
Status
published
Published
May 05, 2026
Tracked Since
May 05, 2026