Unauthenticated Cross Site Scripting Vulnerability in Simply Schedule Appointments Plugin by Simply Schedule
CVE-2026-57317

7.1HIGH

Key Information:

Vendor

WordPress
Status
Simply Schedule Appointments
Vendor
CVE Published:
26 June 2026

What is CVE-2026-57317?

An unauthenticated Cross Site Scripting (XSS) vulnerability has been identified in versions of Simply Schedule Appointments up to 1.6.12.2. This vulnerability allows attackers to inject malicious scripts into web pages viewed by users, posing significant risks to web application security. By exploiting this flaw, an attacker can potentially manipulate content and steal sensitive information from unsuspecting users, emphasizing the need for prompt remediation.

Affected Version(s)

Simply Schedule Appointments <= 1.6.12.2

References

https://patchstack.com/database/wordpress/plugin/simply-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

vnth4nhnt | Patchstack Bug Bounty Program
.