vulnerability
WordPress Plugin: holiday-class-post-calendar: CVE-2025-12813: Improper Control of Generation of Code ('Code Injection')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Nov 10, 2025 | Dec 12, 2025 | Dec 12, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Nov 10, 2025
Added
Dec 12, 2025
Modified
Dec 12, 2025
Description
The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.
Solution
holiday-class-post-calendar-plugin-cve-2025-12813
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