CVE-2025-8561
BaseFortify
Publication date: 2025-10-15
Last updated on: 2025-10-16
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | ova_advent_plugin | 1.1.7 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-87 | The product does not neutralize or incorrectly neutralizes user-controlled input for alternate script syntax. |
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 Ova Advent plugin for WordPress, affecting all versions up to and including 1.1.7. It occurs because the plugin does not properly sanitize or escape user-supplied attributes in its shortcodes. As a result, authenticated users with contributor-level access or higher can inject malicious scripts into pages, which then execute whenever any user views those pages.
How can this vulnerability impact me? :
The vulnerability allows attackers with contributor-level access or above to inject arbitrary scripts into WordPress pages. This can lead to unauthorized actions such as stealing user credentials, hijacking user sessions, defacing websites, or spreading malware to visitors. Since the scripts execute in the context of the affected site, it can compromise the security and integrity of the website and its users.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately update the Ova Advent plugin for WordPress to a version later than 1.1.7 where the issue is fixed. Additionally, restrict contributor-level access and above to trusted users only, and consider implementing input sanitization and output escaping measures if custom code is used.