CVE-2026-2583
Stored XSS in Blocksy WordPress Theme Allows Script Injection
Publication date: 2026-03-02
Last updated on: 2026-03-02
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| blocksy | theme | to 2.1.30 (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 Blocksy theme for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in its `blocksy_meta` metadata fields. This vulnerability exists in all versions up to and including 2.1.30 because the theme does not properly sanitize input or escape output. As a result, authenticated users with Contributor-level access or higher can inject malicious web scripts into pages. These scripts will execute whenever any user accesses the infected page.
How can this vulnerability impact me? :
This vulnerability allows attackers with Contributor-level access or above to inject malicious scripts into web pages. When other users visit these pages, the injected scripts execute in their browsers, potentially leading to theft of sensitive information, session hijacking, or unauthorized actions performed on behalf of the user. This can compromise the security and integrity of the affected WordPress site and its users.
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