CVE-2026-4303
Stored XSS in WP Visitor Statistics Plugin Allows Script Injection
Publication date: 2026-04-08
Last updated on: 2026-04-08
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wp_visitor_statistics | wp_visitor_statistics | to 8.4 (inc) |
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?
The WP Visitor Statistics (Real Time Traffic) plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its 'wsm_showDayStatsGraph' shortcode. This vulnerability exists in all versions up to and including version 8.4. It is caused by insufficient input sanitization and output escaping on user-supplied attributes.
Authenticated attackers with contributor-level access or higher can exploit this flaw to inject arbitrary web scripts into pages. These scripts will execute whenever any user accesses the injected page.
How can this vulnerability impact me? :
This vulnerability can allow an attacker with contributor-level access or above to inject malicious scripts into the website. These scripts can execute in the browsers of users who visit the affected pages.
The impact includes potential theft of user credentials, session hijacking, defacement of the website, or redirection to malicious sites. Since the vulnerability has a CVSS score of 6.4 with low attack complexity and no user interaction required, it poses a significant risk to site integrity and user security.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how this vulnerability impacts compliance with common standards and regulations such as GDPR or HIPAA.