CVE-2021-27230

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.01% Top 15%
Vendor Advisory expressionengine.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/1093444 third party advisory permissions required
https://expressionengine.com/features vendor advisory
http://seclists.org/fulldisclosure/2021/Mar/32 third party advisory mailing list
http://karmainsecurity.com/KIS-2021-03 third party advisory exploit
http://packetstormsecurity.com/files/161805/ExpressionEngine-6.0.2-PHP-Code-Injection.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27230?
CVE-2021-27230 has been scored as a high severity vulnerability.
How to fix CVE-2021-27230?
To fix CVE-2021-27230, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27230 being actively exploited in the wild?
It is possible that CVE-2021-27230 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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