CVE-2016-9836 is a critical vulnerability affecting Joomla! CMS versions prior to 3.6.5. It allows unauthenticated attackers to upload and execute malicious PHP files by bypassing file extension checks, specifically through the use of alternative PHP extensions like .php6, .php7, .phtml, and .phpt. This flaw carries a CVSS score of 9.8 (Critical), indicating a high potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation in the wild (KEV), the vulnerability has garnered significant community discussion with 11 mentions and media coverage, suggesting awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.6.4CPE matchmatch criteria | cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
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.