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 (5)
Core 5
Core References
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1093444
Vendor Advisory x_refsource_misc
https://expressionengine.com/features
Mailing List, Third Party Advisory x_refsource_misc
http://seclists.org/fulldisclosure/2021/Mar/32
Exploit, Third Party Advisory x_refsource_misc
http://karmainsecurity.com/KIS-2021-03
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/161805/ExpressionEngine-6.0.2-PHP-Code-Injection.html
Scores
CVSS v3
8.8
EPSS
0.0283
EPSS Percentile
84.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-94
Status
published
Products (1)
expressionengine/expressionengine
< 5.4.2
Published
Mar 15, 2021
Tracked Since
Feb 18, 2026