CVE-2016-11020 is a critical vulnerability affecting Kunena versions prior to 5.0.4, stemming from insufficient restrictions on avatar file extensions. This flaw allows attackers to upload malicious files, potentially leading to Cross-Site Scripting (XSS) and remote code execution (RCE). With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.0.4CPE matchmatch criteria | cpe:2.3:a:kunena:kunena:*:*:*:*:*:joomla\!:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
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.