Authenticated attackers with developer privileges in Crafter Studio may execute OS commands via deep inspection of FreeMarker template exposed objects.

published 2020-10-06 6 y ago modified 2026-06-17 4 mo ago also GHSA-8786-wg74-f522 , EUVD-2022-0909

cvss: 4.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS allows authenticated developers to execute OS commands via FreeMarker template exposed objects. This issue affects: Crafter Software Crafter CMS 3.0 versions prior to 3.0.27; 3.1 versions prior to 3.1.7.

Patch / fix

fixed in 2

maven org.craftercms:crafter-studio 3.0.27, 3.1.7
Crafter Software Crafter CMS 3.0.27, 3.1.7

Exploit prediction

1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.2	CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C
GitHub	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.craftercms:crafter-studio	>=3.0, <3.0.27 >=3.1, <3.1.7	3.0.27 3.1.7

Affected products

Crafter Software Crafter CMS

Classification

Weakness

CWE-913 Improper Control of Dynamically-Managed Code Resources

References

docs.craftercms.org /en/3.1/security/advisory.html#cv-2020080102
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2020-25803
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