CVE-2025-66921 is a high-severity Cross-site Scripting (XSS) vulnerability affecting Open Source Point of Sale (OSP) version 3.4.1, specifically within the Create/Update Item(s) Module. This flaw allows authenticated remote attackers to inject malicious web scripts or HTML through the "name" parameter, leading to potential compromise of user sessions or data. With a CVSS score of 7.2, the vulnerability is easily exploitable over the network with high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.4.1CPE matchmatch criteria | cpe:2.3:a:opensourcepos:open_source_point_of_sale:3.4.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 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.