CraftCMS allows remote attacker to execute arbitrary code via crafted script to Section parameter

published 2023-05-12 3 y ago modified 2026-06-17 4 mo ago also GHSA-fjx5-xm7q-whvj , EUVD-2023-1531

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

An issue found in CraftCMS v.3.8.1 allows a remote attacker to execute arbitrary code via a crafted script to the Section parameter.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 21 mo ago (2025-01-24)

Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

tf1t.gitbook.io https://tf1t.gitbook.io/mycve/craftcms/server-site-template-injection-on-craftcms-3.8.1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	craftcms/cms	<=3.8.1	no fix listed

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

tf1t.gitbook.io /mycve/craftcms/server-site-template-injection-on-craftcms-3.8.1
web, exploit
craftcms.com /
product
nvd.nist.gov /vuln/detail/CVE-2023-30130
advisory
craftcms.com
web
github.com /craftcms/cms
package

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