Veronalabs WP Statistics Plugin up to 14.16.8 on WordPress REST Endpoint /wp-statistics/v2/hit utm_campaign cross site scripting

Summaryinfo

A vulnerability was found in Veronalabs WP Statistics Plugin up to 14.16.8. It has been classified as problematic. Affected is an unknown function of the file /wp-statistics/v2/hit of the component REST Endpoint. Performing a manipulation of the argument utm_campaign results in cross site scripting. This vulnerability is known as CVE-2026-15780. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Veronalabs WP Statistics Plugin up to 14.16.8. This affects an unknown code block of the file /wp-statistics/v2/hit of the component REST Endpoint. The manipulation of the argument utm_campaign 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 Statistics – Simple, privacy-friendly Google Analytics alternative plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'utm_campaign' parameter in all versions up to, and including, 14.16.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload can be planted without authentication via the public /wp-statistics/v2/hit REST endpoint, because the required signature is exposed on the public homepage and a base64-encoded page_uri POST parameter overrides the previously sanitized REQUEST_URI, allowing the malicious utm_campaign value to bypass sanitization and be stored in the database.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2026-15780 since 07/14/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• Veronalabs

Name

• WP Statistics Plugin

Version

• 14.16.0
• 14.16.1
• 14.16.2
• 14.16.3
• 14.16.4
• 14.16.5
• 14.16.6
• 14.16.7
• 14.16.8

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

• 🔒
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• 🔒

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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