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Description

The The Events Calendar Shortcode & Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `ecs-list-events` shortcode `message` attribute in all versions up to, and including, 3.1.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

PUBLISHED Reserved 2026-02-04 | Published 2026-02-10 | Updated 2026-02-10 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2026-02-04:Vendor Notified
2026-02-09:Disclosed

Credits

Muhammad Yudha - DJ finder

References

www.wordfence.com/...-97e7-4b2c-865d-bd81919647ae?source=cve

plugins.trac.wordpress.org/...-events-calendar-shortcode.php

plugins.trac.wordpress.org/...-events-calendar-shortcode.php

plugins.trac.wordpress.org/...hortcode&sfp_email=&sfph_mail=

cve.org (CVE-2026-1922)

nvd.nist.gov (CVE-2026-1922)

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