Cross Site Scripting Vulnerability in Ad Inserter by WordPress
CVE-2026-97077

7.1HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
30 September 2026

What is CVE-2026-97077?

The Ad Inserter plugin for WordPress contains a vulnerability that allows unauthenticated attackers to inject malicious scripts through Cross Site Scripting (XSS). This security flaw affects versions 2.8.18 and earlier, potentially compromising the integrity of websites using the plugin. An attacker could exploit this vulnerability to execute arbitrary JavaScript in the context of a user's browser, leading to data theft or website defacement. It is crucial for site administrators to update to the latest version to mitigate these risks.

Affected Version(s)

Ad Inserter <= 2.8.18

References

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

Asim Alshaya | Patchstack Bug Bounty Program
.