CVE-2021-24425
myStickymenu < 2.5.2 - Authenticated Stored XSS
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)
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
4.8
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)
- Record
CVE-2021-24425- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
myStickymenu < 2.5.2 - Authenticated Stored XSS
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)
- Record
CVE-2021-24425- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11337 No score
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)
- Record
EUVD-2021-11337- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fc78-8j4r-qq56
4.8
The Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme –...
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)
- Record
GHSA-fc78-8j4r-qq56- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24425 is a medium vulnerability (CVSS 4.8) in Premio Mystickymenu, published August 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.
References
wpscan.com/vulnerability/14632fa8-597e-49ff-8583-9797208a3583
m0ze.ru/vulnerability/%5B2021-05-21%5D-%5BWordPress%5D-%5BCWE-79%5D-MyStickymenu-WordPress-Plugin-v2.5.1.txt
nvd.nist.gov/vuln/detail/CVE-2021-24425
m0ze.ru/vulnerability/[2021-05-21]-[WordPress]-[CWE-79]-MyStickymenu-WordPress-Plugin-v2.5.1.txt
github.com/advisories/GHSA-fc78-8j4r-qq56