CVE-2023-40200 — Authorization bypass through User-Controlled key vulnerability in Essential Plug

Authorization bypass through User-Controlled key vulnerability in Essential Plugin WP Logo Showcase Responsive Slider and Carousel allows Exploiting Incorrectly Configured Access Control Security Levels.

01What is this vulnerability?

Authorization bypass through User-Controlled key vulnerability in Essential Plugin WP Logo Showcase Responsive Slider and Carousel allows Exploiting Incorrectly Configured Access Control Security Levels.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2026-06-11T09:16:25.250
• Last modified: 2026-07-23T09:10:00.113

09References

• patchstack.com — https://patchstack.com/database/wordpress/plugin/wp-logo-showcase-responsive-sli…