CVE-2026-42739
Improper Input Validation in Advanced IP Blocker Leads to DOM-Based XSS
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| inilerm | advanced_ip_blocker | to 8.10.7 (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?
This vulnerability is a Cross-site Scripting (XSS) issue found in the IniLerm Advanced IP Blocker plugin, specifically versions up to 8.10.7. It occurs due to improper neutralization of input during web page generation, allowing an attacker to inject malicious scripts into the web page's Document Object Model (DOM). This type of vulnerability is known as DOM-Based XSS.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to several impacts including unauthorized script execution in the context of the affected web application. This can result in data theft, session hijacking, or manipulation of the web page content. According to the CVSS score of 7.1, the vulnerability has a high severity with potential impacts on confidentiality, integrity, and availability.