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Medium severity6.5NVD Advisory· Published Oct 8, 2021· Updated Jun 17, 2026

CVE-2021-3312

CVE-2021-3312

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.opencms:opencms-coreMaven
>= 11.0.0, < 12.0.012.0.0

Affected products

5
  • Alkacon/Opencms4 versions
    cpe:2.3:a:alkacon:opencms:11.0.1:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:alkacon:opencms:11.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:alkacon:opencms:11.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:alkacon:opencms:11.0:-:*:*:*:*:*:*
    • (no CPE)
  • ghsa-coords
    pkg:maven/org.opencms/opencms-core
    Range: >= 11.0.0, < 12.0.0

Patches

Vulnerability mechanics

References

6

News mentions

0

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