CVE-2026-6247
Stored XSS in Scratchblocks WordPress Plugin
Publication date: 2026-05-12
Last updated on: 2026-05-12
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| scratchblocks | scratchblocks | to 1.0.1 (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 scratchblocks for WP plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in all versions up to and including 1.0.1. This vulnerability arises from insufficient input sanitization and output escaping on the 'element' attribute of the 'scratchblocks' shortcode. Authenticated attackers with contributor-level access or higher can inject arbitrary web scripts into pages, which will execute whenever any user accesses those pages.
How can this vulnerability impact me? :
This vulnerability allows attackers with contributor-level access or above to inject malicious scripts into WordPress pages. These scripts execute in the context of users visiting the affected pages, potentially leading to theft of user data, session hijacking, or other malicious actions. Since the attack is stored, the malicious code persists and affects all users who view the infected content.