CVE-2025-13857
BaseFortify
Publication date: 2025-12-06
Last updated on: 2025-12-08
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordfence | yet_another_webclap_for_wordpress | 0.2 |
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?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Yet Another WebClap for WordPress plugin. It occurs via the 'text' parameter of the webclap_button shortcode in versions up to 0.2. Because the plugin does not properly sanitize or escape input, authenticated users with Contributor-level access or higher can inject malicious scripts that execute whenever someone views the affected page.
How can this vulnerability impact me? :
The vulnerability allows attackers with Contributor-level access to inject arbitrary scripts into web pages, which can lead to unauthorized actions such as stealing user credentials, hijacking user sessions, defacing websites, or spreading malware to visitors. This compromises the security and integrity of the affected WordPress site and its users.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately update the Yet Another WebClap for WordPress plugin to a version later than 0.2 where the issue is fixed, or disable the plugin if an update is not available. Additionally, restrict Contributor-level access to trusted users only, as the vulnerability requires authenticated Contributor-level access or higher to exploit.