CVE-2025-58618
BaseFortify
Publication date: 2025-09-03
Last updated on: 2026-04-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| patchstack | wordpress_pie_calendar_plugin | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Cross Site Scripting (XSS) issue in the WordPress Pie Calendar Plugin versions up to 1.2.8. It allows attackers to inject malicious scripts, such as redirects or advertisements, that execute when visitors access the affected website. The vulnerability is DOM-Based XSS, meaning the malicious script is executed in the user's browser through manipulation of the web page's Document Object Model during page generation. [1]
How can this vulnerability impact me? :
If exploited, this vulnerability can allow attackers to run malicious scripts on your website visitors' browsers. This can lead to unwanted redirects, display of malicious advertisements, or other harmful HTML payloads. Although the severity is considered low and exploitation risk is low, it can still compromise user experience and potentially lead to further attacks or data exposure. Exploitation requires contributor-level privileges on the site. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection of this vulnerability involves checking the version of the Pie Calendar plugin installed on your WordPress site. Since the vulnerability affects versions up to and including 1.2.8, verifying the plugin version is key. You can check the plugin version via the WordPress admin dashboard or by running commands on the server such as: `wp plugin list | grep pie-calendar` (using WP-CLI) to see the installed version. Additionally, monitoring for suspicious script injections or unexpected redirects in web traffic logs may help detect exploitation attempts. For deeper inspection, server-side malware scanning by professionals is recommended as plugin-based scanners may be unreliable if compromised. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include updating the Pie Calendar plugin to version 1.2.9 or later, where the vulnerability is fixed. If immediate updating is not possible, applying virtual patching (vPatching) provided by Patchstack can auto-mitigate the vulnerability without impacting performance. Additionally, restricting contributor-level privileges can reduce exploitation risk, as exploitation requires such privileges. In case of suspected compromise, seek professional incident response and perform server-side malware scanning. [1]