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myStickymenu <= 2.5.1 — Authenticated Stored Cross-Site Scripting

CVE-2021-24425Published · Updated

Action summary

Affected: <2.5.2Update to 2.5.2 or newer

All remediation steps
Severity
Medium4.8
CVSS
4.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:H Privileges required
High
UI:R User interaction
Required
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu) mystickymenu

  1. Affected< 2.5.2
  2. Patched in2.5.2

Update to 2.5.2 or newer.

You are affected if you run < 2.5.2. Version 2.5.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu).
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.5.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu) to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to R3N0.

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)

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu)

All 6
More vulnerabilities in My Sticky Bar – Floating Notification Bar & Sticky Header (formerly myStickymenu)
SeverityVulnerabilityCVEPublished
High7.5Unauthenticated SQL Injection via 'stickymenu_contact_lead_form' Action
≤2.8.6Update to 2.8.7
CVE-2026-3657
Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤2.7.2Update to 2.7.3
CVE-2024-7133
Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤2.7.1Update to 2.7.2
CVE-2024-4090
Low3.1Cross-Site Request Forgery to Sensitive Information Exposure
≤2.6.6Update to 2.6.7
CVE-2023-7048
Medium6.3Missing Authorization to Authenticated (Subscriber+) Arbitrary Form Lead Deletion
≤2.6.4Update to 2.6.5
CVE-2023-5509

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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