Stored Cross-Site Scripting in Conference Scheduler Plugin for WordPress
CVE-2025-5258

6.4MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
24 June 2025

What is CVE-2025-5258?

The Conference Scheduler plugin for WordPress is susceptible to Stored Cross-Site Scripting through the 'className' parameter due to inadequate input sanitization and output escaping. This vulnerability allows authenticated attackers, with Contributor-level access or higher, to inject arbitrary scripts into pages. When a user accesses such a page, the injected scripts can execute, potentially compromising user data and site integrity.

Affected Version(s)

Conference Scheduler * <= 2.5.1

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Thaleikis
.
CVE-2025-5258 : Stored Cross-Site Scripting in Conference Scheduler Plugin for WordPress