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Calendar CVE-2026-14827

| EUVDEUVD-2026-49084 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-07-27 WPScan GHSA-x423-2wcq-r3qx
XSS WordPress Calendar
6.8
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
6.8 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (WPScan) · only source for this CVE.

CVSS VectorVendor: WPScan

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

Lifecycle Timeline

5
Analysis Generated
Jul 27, 2026 - 18:27 vuln.today
CVSS changed
Jul 27, 2026 - 18:22 NVD
6.8 (MEDIUM)
Patch available
Jul 27, 2026 - 07:01 EUVD
CVE Published
Jul 27, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 27, 2026 - 06:00 cve.org
MEDIUM 6.8

DescriptionCVE.org

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.

AnalysisAI

Stored cross-site scripting (XSS) in the Calendar WordPress plugin prior to version 1.3.18 allows authenticated users with Contributor-level access to inject arbitrary JavaScript into an event field. The script executes in the browsers of any user viewing the calendar page, potentially leading to session hijacking or privilege escalation. …

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CVE-2026-14827 vulnerability details – vuln.today
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