Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu: Cross-site scripting
Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
- Component
- Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu
- Plugin slug
mystickymenu- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Aug 02, 2021
This CVE was published Aug 02, 2021 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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)
NVD vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N