eZ Publish Kernel and Legacy Unrestricted Upload of File with Dangerous Type

published 2020-03-22 6 y ago modified 2026-06-17 4 mo ago also GHSA-54p5-gxq6-j98g , EUVD-2022-2496

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

eZ Publish Kernel before 5.4.14.1, 6.x before 6.13.6.2, and 7.x before 7.5.6.2 and eZ Publish Legacy before 5.4.14.1, 2017 before 2017.12.7.2, and 2019 before 2019.03.4.2 allow remote attackers to execute arbitrary code by uploading PHP code, unless the vhost configuration permits only app.php execution.

Patch / fix

fixed in 4

packagist ezsystems/ezpublish-kernel 5.4.14.1, 6.13.6.2, 7.5.6.2
packagist ezsystems/ezpublish-legacy 5.4.14.1, 2017.12.7.2, 2019.03.4.2
ez ez_publish-kernel 5.4.14.1, 6.13.6.2, 7.5.6.2
ez ez_publish-legacy 5.4.14.1, 2017.12.7.2, 2019.03.4.2

Exploit prediction

2.32% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	ezsystems/ezpublish-kernel	<5.4.14.1 >=6.0, <6.13.6.2 >=7.0, <7.5.6.2	5.4.14.1 6.13.6.2 7.5.6.2
packagist	ezsystems/ezpublish-legacy	<5.4.14.1 >=2017, <2017.12.7.2 >=2019, <2019.03.4.2	5.4.14.1 2017.12.7.2 2019.03.4.2

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

ezplatform.com /security-advisories/ezsa-2020-001-remote-code-execution-in-file-uploads
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2020-10806
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