CVE-2025-11819
BaseFortify
Publication date: 2025-10-22
Last updated on: 2025-10-22
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordfence | wp-thumbnail | * |
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 in the WP-Thumbnail WordPress plugin is a Stored Cross-Site Scripting (XSS) issue via the 'roboshot' shortcode. It occurs because the plugin does not properly sanitize or escape user-supplied attributes. This allows authenticated users with contributor-level access or higher to inject malicious scripts into pages. These scripts 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 into web pages, potentially leading to unauthorized actions such as stealing user credentials, session hijacking, or defacing the website. It compromises the integrity and security of the website and its users.
What immediate steps should I take to mitigate this vulnerability?
The WP-Thumbnail plugin was removed from the WordPress.org Plugin Directory pending a full security review. Immediate mitigation steps include uninstalling or disabling the WP-Thumbnail plugin if it is installed, and avoiding use of the 'roboshot' shortcode until a secure version is released. Additionally, restrict contributor-level access to trusted users only to reduce risk of exploitation. [1]