CVE-2020-21054 is a Cross-Site Scripting (XSS) vulnerability found in FusionPBX version 4.5.7. It allows remote attackers to inject arbitrary web scripts or HTML due to improper sanitization of the "f" variable in app\vars\vars_textarea.php. This vulnerability has a CVSS v3.1 score of 6.1 (Medium), indicating it can be exploited over the network with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, or entries in ExploitDB. The vulnerability has received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.5.7CPE matchmatch criteria | cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 0.1 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.