CVE-2018-18573 is a critical vulnerability affecting osCommerce 2.3.4.1, stemming from an incomplete .htaccess blacklist filter on the product page. This flaw allows remote authenticated administrators to upload new .htaccess files, bypassing existing security measures and enabling arbitrary PHP code execution via a crafted URI. With a CVSS score of 7.2 (High), successful exploitation could lead to full compromise of confidentiality, integrity, and availability. While no public exploits (Metasploit, Nuclei, ExploitDB) or active exploitation (KEV) have been identified, and community discussion is minimal, the potential impact remains significant.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.3.4.1CPE matchmatch criteria | cpe:2.3:a:oscommerce:oscommerce:2.3.4.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.