Arbitrary file upload in Elefantcms Elefant
CVE-2018-16974
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in apps/filemanager/upload/drop.php by using /filemanager/api/rm/.htaccess to remove the .htaccess file, and then using a filename that ends in .php followed by space characters (for bypassing the blacklist).
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/jbroadway/elefant/releases/tag/elefant_2_0_7_stable (Release Notes)
- github.com/jbroadway/elefant/commit/49ba8cc24e9f009ce30d2c2eb9eefeb9be4ce1d0 (Patch, Third Party Advisory)
- github.com/jbroadway/elefant/issues/287 (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16974?
- CVE-2018-16974 is a critical-severity vulnerability in Elefantcms Elefant, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-09-12.
- How severe is CVE-2018-16974?
- Critical severity. CVSS v3 base score is 9.8 out of 10.