PluckCMS 4.7.4 and earlier is affected by: CWE-434 Unrestricted Upload of File with Dangerous Type. The impact is: get webshell. The component is: data/inc/images.php line36. The attack vector is: modify the MIME TYPE on HTTP request to upload a php file. The fixed version is: after commit 09f0ab871bf633973cfd9fc4fe59d4a912397cf8.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)