Reflected XSS Vulnerability in Calendar Plus by Webjunk
CVE-2025-53350

7.1HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
22 October 2025

What is CVE-2025-53350?

A Cross-site Scripting (XSS) vulnerability exists in the Calendar Plus plugin by Webjunk. Specifically, this issue arises from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that can be executed in the user's browser. This could lead to unauthorized access and data theft. The affected versions include all prior to or equal to 1.2.4. It's crucial for users of the Calendar Plus plugin to apply necessary updates and implement security measures to protect their web applications from such vulnerabilities.

Affected Version(s)

Calendar Plus <= n/a

References

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

Nguyen Xuan Chien (Patchstack Alliance)
.
CVE-2025-53350 : Reflected XSS Vulnerability in Calendar Plus by Webjunk