CVE-2018-3814

Name: CVE-2018-3814
Creator: NVD / NIST
Published: 2018-01-01T20:29:00.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.35%

Last modified Jun 17, 2026

CVE-2018-3814 is a vulnerability of currently unknown severity. Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets->Upload files" screen and then the "Replace it" option, because this allows a .jpg file to have embedded PHP code, and then be renamed to a .php extension.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets->Upload files" screen and then the "Replace it" option, because this allows a .jpg file to have embedded PHP code, and then be renamed to a .php extension.

Metrics

EPSS Probability

1.35%

68.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Craftcms	Craft Cms	2.6.3000

References

https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.mdExploit, Third Party Advisory
https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.mdExploit, Third Party Advisory

Timeline

Published: Jan 1, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3814?

How severe is CVE-2018-3814?

Severity scoring for CVE-2018-3814 is pending analysis. The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3814?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3814?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST