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

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Conference Scheduler
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.

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Deploy the Patch

Affected Version(s)

Conference Scheduler * <= 2.5.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/conference-sch...
https://wordpress.org/plugins/conference-scheduler/#devel...

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
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