What’s Vulnerable › Vulnerabilities

CVE-2023-5509: myStickymenu < 2.6.5 - Subscriber+ Arbitrary Form Leads Deletion

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-20 · updated 2026-06-17
• Weakness: CWE-863

Description

The myStickymenu WordPress plugin before 2.6.5 does not adequately authorize some ajax calls, allowing any logged-in user to perform the actions.

Affected products

• Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu: before 2.6.5 — fixed in 2.6.5

How to fix

Upgrade to a fixed version: Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu 2.6.5. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/3b33c262-e7f0-4310-b26d-4727d7c25c9d
• https://wpscan.com/vulnerability/3b33c262-e7f0-4310-b26d-4727d7c25c9d

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