Cross Site Scripting Vulnerability in Kalles Addons by WordPress
CVE-2026-81778

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Kalles Addons
Vendor
CVE Published:
31 August 2026

What is CVE-2026-81778?

The Kalles Addons plugin for WordPress is susceptible to a Cross Site Scripting (XSS) vulnerability that impacts versions 1.0.6 and earlier. This flaw allows attackers to inject malicious scripts into user sessions, potentially leading to unauthorized access and data breaches. Users are encouraged to update to the latest version to mitigate security risks associated with this vulnerability.

Affected Version(s)

Kalles Addons <= 1.0.6

References

https://patchstack.com/database/wordpress/plugin/kalles-a...
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

Nguyen Ba Khanh - HPT Vietnam Corporation | Patchstack Bug Bounty Program
.