Detections
Analytics

CVE-2021-27230

high

Description

ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by certain authenticated users who can leverage Translate::save() to write to an _lang.php file under the system/user/language directory.

References

https://hackerone.com/reports/1093444

http://seclists.org/fulldisclosure/2021/Mar/32

https://expressionengine.com/features

http://packetstormsecurity.com/files/161805/ExpressionEngine-6.0.2-PHP-Code-Injection.html

http://karmainsecurity.com/KIS-2021-03

Details

Source: Mitre, NVD

Published: 2021-03-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.04859