CVE-2018-19421 describes a file upload vulnerability in GetSimpleCMS 3.3.15, specifically affecting the admin/upload.php component. Although .html files are blocked, an attacker can bypass this restriction by uploading a specially crafted .eml file, which Internet Explorer can then render as HTML due to issues in admin/upload-uploadify.php and validate_safe_file. This vulnerability has a CVSS score of 3.8 (Low), indicating a low severity. It requires high privileges (PR:H) and has a low impact on confidentiality and integrity (C:L, I:L), with no impact on availability (A:N). The attack complexity is low (AC:L), and it can be exploited over the network (AV:N). There is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB. Community discussion and media coverage are minimal, suggesting a low level of public awareness or interest in this particular vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.3.15CPE matchmatch criteria | cpe:2.3:a:get-simple:getsimple_cms:3.3.15:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.