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CVE-2023-40035

23
FAUCET Score

CVE-2023-40035 is a remote code execution vulnerability affecting Craft CMS versions prior to 4.4.15 and 3.8.15. It allows authenticated attackers to bypass path validation, potentially leading to malicious system control and data exfiltration, particularly when ALLOW_ADMIN_CHANGES is set to true. With a CVSS score of 7.2 (High), this vulnerability is network-exploitable with low attack complexity and no user interaction required, resulting in high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.0, < 3.8.15CPE matchmatch criteria
cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.4.15CPE matchmatch criteria
cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:craftcms:craft_cms:4.0.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.91%
Probability of exploitation in next 30 days
EPSS Percentile
77.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0191 is in the 73rd percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: craftcms/cmsFixed in: 4.4.15
composerpatch availablevia ghsa
Product: craftcms/cmsFixed in: 3.8.15
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-44wr-rmwq-3phwhigh

Craft CMS vulnerable to Remote Code Execution via validatePath bypass

Aug 21, 2023

References

github.com / craftcms/cms/commit/0bd33861abdc60c93209cff03eeee54504d3d3b5
Patch
github.com / craftcms/cms/releases/tag/3.8.15
Release Notes
github.com / craftcms/cms/releases/tag/4.4.15
Release Notes
github.com / craftcms/cms/security/advisories/GHSA-44wr-rmwq-3phw
ExploitVendor Advisory