Unauthenticated Cross Site Scripting in Ad Inserter Plugin by WordPress
CVE-2026-105077

7.1HIGH

Key Information:

Vendor

WordPress
Status
Ad Inserter
Vendor
CVE Published:
30 October 2026

What is CVE-2026-105077?

A significant security flaw has been identified in the Ad Inserter plugin for WordPress, where versions up to 2.8.19 are susceptible to unauthenticated Cross Site Scripting (XSS) attacks. This vulnerability enables attackers to inject malicious scripts into web pages viewed by users, potentially compromising the integrity of websites and accessing sensitive information. Site administrators are urged to update to patched versions to mitigate these risks.

Affected Version(s)

Ad Inserter <= 2.8.19

References

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

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Md. Moniruzzaman Prodhan | Patchstack Bug Bounty Program
.