CVE-2023-5509 — The myStickymenu WordPress plugin before 2

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
Unknown	Floating Notification Bar, Sticky Menu on Scroll, Announcement Banner, and Sticky Header for Any Theme	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-11-20T18:55:10.363Z
• Last modified: 2024-08-02T07:59:44.718Z

09References

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