Stored Cross-Site Scripting Vulnerability in Koalendar Plugin
CVE-2024-11855

6.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Koalendar – Events & Appointments Booking Calendar
Vendor
CVE Published:
14 December 2024

What is CVE-2024-11855?

The Koalendar – Events & Appointments Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘height’ parameter in all versions up to, and including, 1.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Affected Version(s)

Koalendar – Events & Appointments Booking Calendar * <= 1.0.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/koalendar-free...
https://wordpress.org/plugins/koalendar-free-booking-widg...

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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