CVE-2026-4859
Stored XSS in SP Blog Designer WordPress Plugin
Publication date: 2026-05-12
Last updated on: 2026-05-12
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wp_blog_designer | blog_designer | 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
Can you explain this vulnerability to me?
The SP Blog Designer plugin for WordPress has a vulnerability known as Stored Cross-Site Scripting (XSS) in its 'design' attribute of the wpsbd_post_carousel shortcode. This vulnerability exists in all versions up to and including 1.0.0 because the plugin does not properly sanitize input or escape output.
Authenticated users with Contributor-level access or higher can exploit this flaw to inject malicious web scripts into pages. These scripts will then execute whenever any user views the infected page.
How can this vulnerability impact me? :
This vulnerability can allow attackers with Contributor-level access to inject malicious scripts that execute in the browsers of users who visit the affected pages.
- It can lead to theft of user credentials or session tokens.
- It can enable unauthorized actions on behalf of users.
- It may result in defacement or manipulation of website content.