Improper Restriction of XML External Entity Reference in Magnolia CMS

published 2022-02-11 4 y ago modified 2026-06-17 4 mo ago also GHSA-3qpg-33wr-533j , EUVD-2022-0796

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

An issue in the Export function of Magnolia v6.2.3 and below allows attackers to execute XML External Entity attacks via a crafted XLF file.

Patch / fix

fixed in 2

maven info.magnolia:magnolia-core 6.2.4
magnolia-cms magnolia_cms 6.2.4

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-46365-Unsafe%20XML%20Parsing-Magnolia%20CMS referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	info.magnolia:magnolia-core	<6.2.4	6.2.4

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

github.com /DrunkenShells/Disclosures/tree/master/CVE-2021-46365-Unsafe%20XML%20Parsing-Magnolia%20CMS
web, exploit, third-party-advisory
docs.magnolia-cms.com /product-docs/6.2/Releases/Release-notes-for-Magnolia-CMS-6.2.4.html#_security_advisory
web, release-notes, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2021-46365
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary