CVE-2026-8873
Stored XSS in WordPress Content Slideshow Plugin
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wp_slideshow | content_slideshow | to 2.4.1 (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 Content Slideshow plugin for WordPress has a vulnerability known as Stored Cross-Site Scripting (XSS) via Shortcode Attributes. This occurs because the plugin does not properly sanitize input or escape output in versions up to and including 2.4.1.
Authenticated users with contributor-level access or higher can exploit this flaw by injecting malicious web scripts into pages. These scripts then execute whenever any user views the affected 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 infected pages.
- It can lead to theft of user credentials or session tokens.
- It may enable attackers to perform actions on behalf of users without their consent.
- It can compromise the integrity and trustworthiness of the affected website.