CVE-2023-53921 is a critical remote code execution vulnerability affecting SitemagicCMS version 4.4.3. This flaw allows unauthenticated attackers to upload malicious PHP files, specifically .phar files containing system command execution payloads, into the files/images directory. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a severe risk, enabling complete compromise of the web application and arbitrary system command execution due to its network-based attack vector, low attack complexity, and no user interaction required. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.4.3CPE matchmatch criteria | cpe:2.3:a:sitemagic:sitemagic_cms:4.4.3:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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.