CVE-2020-13443 is a critical arbitrary code upload vulnerability affecting ExpressionEngine versions prior to 5.3.2. It allows a low-privileged member to bypass MIME type and file extension checks when uploading attachments, enabling the execution of arbitrary PHP code. With a CVSS score of 8.8 (High), this vulnerability can lead to complete compromise of confidentiality, integrity, and availability, requiring only low privileges and no user interaction. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.3.2CPE matchmatch criteria | cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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.