WP Flot Plugin up to 0.2.2 on WordPress Shortcode linechart cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in WP Flot Plugin up to 0.2.2 on WordPress. The impacted element is the function linechart of the component Shortcode Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2025-13906. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in WP Flot Plugin up to 0.2.2 on WordPress. This affects the function linechart of the component Shortcode Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

The WP Flot plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'linechart' shortcode in all versions up to, and including, 0.2.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2025-13906. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Name

• WP Flot Plugin

Version

• 0.2.0
• 0.2.1
• 0.2.2

CPE 2.3info

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CPE 2.2info

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