CVE-2026-5508
Stored XSS in WowPress WordPress Plugin via Shortcode
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 |
|---|---|---|
| wowpress | wowpress | to 1.0.0 (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
How can this vulnerability impact me? :
This vulnerability can allow attackers with contributor-level access to inject malicious scripts into web pages.
When other users visit these pages, the injected scripts execute in their browsers, potentially leading to session hijacking, data theft, or unauthorized actions performed on behalf of the user.
Because the attack requires authenticated access, the risk is limited to environments where users have contributor or higher privileges.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability allows authenticated attackers with contributor-level access to inject arbitrary web scripts via stored cross-site scripting (XSS). This can lead to unauthorized access or manipulation of user data when users access the injected pages.
Such unauthorized data access or manipulation could potentially violate data protection requirements under standards like GDPR or HIPAA, which mandate safeguarding personal and sensitive information against unauthorized access or disclosure.
However, the provided information does not explicitly detail the direct impact on compliance with these regulations.
Can you explain this vulnerability to me?
The WowPress plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its 'wowpress' shortcode in all versions up to and including 1.0.0.
This vulnerability exists because the plugin does not properly sanitize user-supplied attributes or escape output, allowing attackers to inject malicious scripts.
Authenticated users with contributor-level access or higher can exploit this to insert arbitrary web scripts that execute whenever any user views the affected page.