Vulnerability CVE-2022-23048
Published: 2022-02-09   Modified: 2022-02-10

Description:
Exponent CMS 2.6.0patch2 allows an authenticated admin user to upload a malicious extension in the format of a ZIP file with a PHP file inside it. After upload it, the PHP file will be placed at "themes/simpletheme/{rce}.php" from where can be accessed in order to execute commands.

Type:

CWE-434

 (Unrestricted Upload of File with Dangerous Type)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Exponentcms -> Exponent cms 

 References:
https://fluidattacks.com/advisories/dylan/
https://exponentcms.lighthouseapp.com/projects/61783/tickets/1460
https://github.com/exponentcms/exponent-cms/issues/1546
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