Vulnerability · Published May 8, 2026 · Assigned by mitre
CVE-2023-42346
High 7.5
In plain English
A high-severity XML external entity in the org.opencms:opencms-core package (Maven). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 85.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.opencms:opencms-core | 16.0 | GHSA-pj6p-9p8x-5mfc |
Affected products (as reported)
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N