CVE-2021-27230
CVSS v3
8.8
HIGH
EPSS Score
2.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-03-15
Frequently asked questions
What is CVE-2021-27230?
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.
Is CVE-2021-27230 actively exploited?
Active exploitation of CVE-2021-27230 has not been confirmed. Its EPSS score was 2.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27230?
CVE-2021-27230 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-27230 affecting your environment?
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