CVE-2026-1575
Stored XSS in Schema Shortcode WordPress Plugin Allows Script Injection
Publication date: 2026-03-21
Last updated on: 2026-03-21
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wp_schema_shortcode | plugin | to 1.0 (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
Can you explain this vulnerability to me?
The Schema Shortcode plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its `itemscope` shortcode in all versions up to and including 1.0. This vulnerability exists because the plugin does not properly sanitize or escape user-supplied attributes. As a result, authenticated users with contributor-level access or higher can inject malicious scripts into pages.
These injected scripts will execute whenever any user accesses the affected page, potentially compromising the security of the website and its visitors.
How can this vulnerability impact me? :
This vulnerability allows attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These scripts execute in the context of users visiting those pages, which can lead to several impacts including:
- Theft of user session cookies or credentials.
- Defacement or unauthorized modification of website content.
- Redirection of users to malicious websites.
- Potential spread of malware to site visitors.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know