PT-2022-15807 · Unknown · Exponent Cms

Alestorm980 · Published 2022-02-09 · Updated 2022-02-17 · CVE-2022-23048

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Exponent CMS version 2.6.0patch2

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

Recommendations For Exponent CMS version 2.6.0patch2, consider restricting access to the extension upload feature for admin users until a patch is available. As a temporary workaround, monitor the "themes/simpletheme/" directory for any malicious PHP files and remove them promptly to prevent command execution.

Exploit

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2022-23048

Affected Products

Exponent Cms

References · 6

• 🔥 https://github.com/exponentcms/exponent-cms/issues/1546 · Exploit
• 🔥 https://exponentcms.lighthouseapp.com/projects/61783/tickets/1460 · Exploit
• 🔥 https://fluidattacks.com/advisories/dylan · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-23048 · Security Note
• https://osv.dev/vulnerability/CVE-2022-23048 · Vendor Advisory
• https://t.me/cvenotify/26892 · Telegram Post