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CVE-2020-11516

MEDIUM 5.4 CVSS 3.1
Published
April 7, 2020
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

Stored XSS in the Contact Form 7 Datepicker plugin through 2.6.0 for WordPress allows authenticated attackers with minimal permissions to save arbitrary JavaScript to the plugin's settings via the unprotected wp_ajax_cf7dp_save_settings AJAX action and the ui_theme parameter. If an administrator creates or modifies a contact form, the JavaScript will be executed in their browser, which can then be used to create new administrative users or perform other actions using the administrator's session.

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

  • n/a n/a — Versions not specified
  • contact-form-7-datepicker_project contact-form-7-datepicker — Up to and including 2.6.0

References

  • www.wordfence.com https://www.wordfence.com/blog/2020/04/high-severity-vulnerability-leads-to-closure-of-plugin-with-over-100000-installations/ Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record