CVE-2021-3312

medium

Description

An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server's file system by uploading a crafted SVG document.

References

https://github.com/advisories/GHSA-g6v7-vqhx-6v6c

https://github.com/alkacon/opencms-core/releases

https://github.com/alkacon/opencms-core/issues/725

Details

Source: Mitre, NVD

Published: 2021-10-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N