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.
Published: 2026-07-27
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 27 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 27 Jul 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Calendar
Calendar calendar
Wordpress
Wordpress wordpress
Vendors & Products Calendar
Calendar calendar
Wordpress
Wordpress wordpress

Mon, 27 Jul 2026 06:30:00 +0000

Type Values Removed Values Added
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.
Title Calendar < 1.3.18 - Contributor+ Stored XSS via event_link Parameter
References

Subscriptions

Calendar Calendar
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-07-27T17:39:03.012Z

Reserved: 2026-07-06T08:51:22.216Z

Link: CVE-2026-14827

cve-icon Vulnrichment

Updated: 2026-07-27T17:38:52.053Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T18:15:04Z

Weaknesses