Cross-Site Scripting Flaw in Master Slider by MasterPlugin Co.
CVE-2026-56014

7.1HIGH

Key Information:

Vendor

WordPress
Status
Master Slider
Vendor
CVE Published:
25 June 2026

What is CVE-2026-56014?

The Master Slider plugin, used in WordPress, has a vulnerability that allows unauthenticated attackers to inject malicious scripts into web pages via Cross-Site Scripting (XSS). This vulnerability affects versions up to 3.11.2, posing a serious risk of data theft, session hijacking, and website defacement for users who have the plugin installed.

Affected Version(s)

Master Slider <= 3.11.2

References

https://patchstack.com/database/wordpress/plugin/master-s...
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

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program
.