CVE-2026-8698
Stored Cross-Site Scripting in Prijsvergelijking Widget WordPress 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 |
|---|---|---|
| cryptocurrency_prijsvergelijking_widget | plugin | 1.0 |
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 vulnerability exists in the Cryptocurrency Prijsvergelijking Widget plugin for WordPress, version 1.0. It is a Stored Cross-Site Scripting (XSS) issue caused by insufficient output escaping in the as_get_coin_shortcode() function.
Specifically, the 'width' and 'height' shortcode attributes are rendered directly into the style attribute of an iframe element without proper escaping, such as using esc_attr().
An attacker with contributor-level access or higher can inject malicious scripts by providing specially crafted values that prematurely terminate the style attribute and inject arbitrary HTML attributes, leading to script execution when users access the affected page.
How can this vulnerability impact me? :
This vulnerability allows authenticated attackers with contributor-level access or above to inject arbitrary web scripts into pages.
When other users access these pages, the injected scripts execute in their browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions.
Because the attack requires contributor-level access, it may be limited to insiders or users with some level of trust, but it still poses a significant risk to site integrity and user security.