Stored XSS Vulnerability in Ad Inserter Plugin by Igor Funa
CVE-2026-118094

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Ad Inserter
Vendor
CVE Published:
29 October 2026

What is CVE-2026-118094?

The Ad Inserter plugin developed by Igor Funa contains a vulnerability that allows for stored cross-site scripting (XSS) attacks. This flaw arises from improper handling of user input during the web page generation process. Attackers could exploit this vulnerability to execute arbitrary scripts in the context of users visiting the affected site. As a result, malicious actors may access sensitive user data, alter web content, or perform actions on behalf of unsuspecting users. Versions from n/a through 2.8.18 of the Ad Inserter plugin are impacted, necessitating immediate updates to mitigate these risks.

Affected Version(s)

Ad Inserter 0 <= 2.8.18

References

https://patchstack.com/database/wordpress/plugin/ad-inser...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Deva Parekh | Patchstack Bug Bounty Program
.