CVE-2025-13906
Stored XSS in WP Flot Plugin 'linechart' Shortcode
Publication date: 2025-12-12
Last updated on: 2025-12-12
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | wp_flot | 0.2.2 |
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
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the WP Flot plugin to a version later than 0.2.2 where the issue is fixed. Additionally, restrict contributor-level access and above to trusted users only, as the vulnerability requires authenticated access. Implement input sanitization and output escaping best practices if custom code is used.
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the WP Flot plugin for WordPress, specifically in the 'linechart' shortcode. It occurs because the plugin does not properly sanitize or escape user-supplied attributes, allowing authenticated users with contributor-level access or higher to inject malicious scripts. These scripts then execute whenever any user views the affected page.
How can this vulnerability impact me? :
The vulnerability can allow attackers with contributor-level access to inject malicious scripts into pages, which will execute in the browsers of users who visit those pages. This can lead to unauthorized actions, data theft, session hijacking, or other malicious activities impacting website users and administrators.