Cross-Site Scripting Vulnerability in The Events Calendar by StellarWP
CVE-2026-123469

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
The Events Calendar
Vendor
CVE Published:
7 November 2026

What is CVE-2026-123469?

A vulnerability has been identified in The Events Calendar plugin developed by StellarWP that allows for improper neutralization of script-related HTML tags, leading to potential code injection. This flaw affects versions of The Events Calendar from an unspecified version up to 6.18.3. Exploiting this vulnerability enables attackers to inject malicious scripts into web pages, which could compromise the integrity and security of the affected sites. Users of this plugin are advised to take immediate action to secure their installations.

Affected Version(s)

The Events Calendar 0 <= 6.18.3

References

https://patchstack.com/database/wordpress/plugin/the-even...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Filip Kowalski | Patchstack Bug Bounty Program
.