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CVE-2026-1127

MEDIUM 6.1 CVSS 3.1
Published
January 24, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Timeline Event History plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `id` parameter in all versions up to, and including, 3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpdiscover Timeline Event History — Up to and including 3.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/timeline-event-history/tags/3.2/includes/admin/class-timeline-wp-field-builder.php#L540
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ba779595-2674-4d84-bc41-889ae60bd6a4?source=cve
  • nvd.nist.gov Official NVD record