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CVE-2021-24425

MEDIUM 4.8 CVSS 3.1
Published
August 2, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Description

The Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu WordPress plugin before 2.5.2 does not sanitise or escape its Bar Text settings, allowing hight privilege users to use malicious JavaScript in it, leading to a Stored Cross-Site Scripting issue, which will be triggered in the plugin's setting, as well as all front-page of the blog (when the Welcome bar is active)

Affected WordPress components

  • My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu) Plugin · mystickymenu
    Confirmed match Active
    Before 2.5.2
    View on WordPress.org

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

  • Unknown Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu — From 2.5.2 (including) to 2.5.2 (excluding)
  • premio mystickymenu — Before 2.5.2

References

  • m0ze.ru https://m0ze.ru/vulnerability/%5B2021-05-21%5D-%5BWordPress%5D-%5BCWE-79%5D-MyStickymenu-WordPress-Plugin-v2.5.1.txt
  • wpscan.com https://wpscan.com/vulnerability/14632fa8-597e-49ff-8583-9797208a3583 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record