CVE-2021-47753 is a critical unauthenticated file upload vulnerability affecting phpKF CMS 3.00 Beta y6. Attackers can bypass file extension checks to upload malicious PHP files disguised as images, rename them, and execute arbitrary code on the server. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While no active exploitation or public exploit code is currently reported, and community discussion is minimal, the high FAUCET Risk Score of 94/100 indicates its severe potential.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.00CPE matchmatch criteria | cpe:2.3:a:phpkf:cms:3.00:beta_y6:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.