Arbitrary file upload in Exponentcms Exponent Cms
CVE-2022-23048
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Exponentcms Exponent Cms — versions 2.6.0
- Exponent Cms — versions v2.6.0patch2
Weakness classification (CWE)
References
- github.com/exponentcms/exponent-cms/issues/1546 (Exploit, Third Party Advisory, Issue Tracking)
- fluidattacks.com/advisories/dylan/ (Exploit, Third Party Advisory, Issue Tracking)
- exponentcms.lighthouseapp.com/projects/61783/tickets/1460 (Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-23048?
- CVE-2022-23048 is a high-severity vulnerability in Exponentcms Exponent Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-02-09.
- How severe is CVE-2022-23048?
- High severity. CVSS v3 base score is 7.2 out of 10.