CVE-2025-31811

Summary

CVE-2025-31811 is a Cross-site Scripting (XSS) vulnerability affecting the Planyo online reservation system from an unknown version up to 3.0. The issue stems from improper neutralization of user input during web page generation. An attacker can exploit this vulnerability to inject malicious scripts into web pages viewed by other users. These scripts can steal sensitive information, manipulate user interactions, or even take control of affected users' browsers, posing a significant security risk. Users are strongly advised to upgrade to a patched version of the Planyo reservation system as soon as possible to mitigate this threat.

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