CVE-2025-12539 is a critical sensitive information exposure vulnerability affecting all versions up to 1.4.2 of the TNC Toolbox: Web Performance plugin for WordPress. The plugin insecurely stores cPanel API credentials in web-accessible files, allowing unauthenticated attackers to retrieve them. This flaw carries a CVSS score of 10.0 (CRITICAL) due to its network-based attack vector, low complexity, and potential for arbitrary file uploads, remote code execution, and full hosting environment compromise. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Leopardhost | TNC Toolbox: Web Performance | >= 0, <= 1.4.2CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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.
Remediation records are not available for this CVE.