CVE-2026-14827 — MEDIUM (6.8)

Vulnerability Description

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calendar.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/b2981b41-b712-43d9-a327-3a376346cec5/

FAQ

What is CVE-2026-14827?

CVE-2026-14827 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contribu...

How severe is CVE-2026-14827?

CVE-2026-14827 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14827?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.