CVE-2025-8621
BaseFortify
Publication date: 2025-08-12
Last updated on: 2025-08-12
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordpress | mosaic_generator | 1.0.5 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-80 | The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The vulnerability in the Mosaic Generator WordPress plugin (up to version 1.0.5) is a Stored Cross-Site Scripting (XSS) issue via the 'c' parameter. This occurs because the plugin does not properly sanitize or escape input, allowing authenticated users with Contributor-level access or higher to inject malicious scripts. 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. This can lead to theft of user credentials, session hijacking, defacement, or other malicious actions performed on behalf of the user without their consent.
What immediate steps should I take to mitigate this vulnerability?
Immediate steps to mitigate this vulnerability include disabling or removing the Mosaic Generator plugin from your WordPress installation, as it has been temporarily closed and removed from download availability pending a full security review. Additionally, restrict Contributor-level access to trusted users only until a patched version is available. [1]