CVE-2025-11262
Stored XSS in Link Whisper Free WordPress Plugin
Publication date: 2026-05-29
Last updated on: 2026-05-29
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| link_whisper | link_whisper_free | to 0.9.0 (inc) |
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 Link Whisper Free plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in all versions up to and including 0.9.0. This vulnerability arises because the plugin does not properly sanitize or escape the user_id parameter. As a result, unauthenticated attackers can inject malicious web scripts into pages. These scripts execute whenever any user accesses the infected page.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute arbitrary scripts in the context of your website without needing to be authenticated. This can lead to theft of user credentials, session hijacking, defacement of your website, or distribution of malware to visitors. Because the attack is stored, the malicious script persists and affects every user who views the compromised page.
What immediate steps should I take to mitigate this vulnerability?
The vulnerability affects all versions of the Link Whisper Free plugin up to and including 0.9.0. Immediate mitigation steps include updating the plugin to a version later than 0.9.0 where the vulnerability is fixed.
If an update is not immediately available, consider disabling or removing the Link Whisper Free plugin to prevent exploitation.
Additionally, monitor your WordPress site for any suspicious activity or unexpected script injections, and ensure proper input sanitization and output escaping are enforced in your environment.