CVE-2026-10823 Details.
YMC Filter WordPress - Unauthenticated Post Disclosure
Atlas does not check this one. Needs requests that change data.
To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check.
About CVE-2026-10823. What It Means.
YMC Filter WordPress plugin < 3.11.3 contains a broken access control vulnerability caused by improper authorization and lack of validation in a REST API endpoint, letting unauthenticated attackers retrieve private and non-public post content, exploit requires no authentication.
Affected Product. What Is Hit.
- Vendor
- ymc
- Product
- YMC Filter
References. Where To Read More.
FAQ
Common Questions.
YMC Filter WordPress - Unauthenticated Post Disclosure. YMC Filter WordPress plugin < 3.11.3 contains a broken access control vulnerability caused by improper authorization and lack of validation in a REST API endpoint, letting unauthenticated attackers retrieve private and non-public post content, exploit requires no authentication.
No. To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check. The facts about CVE-2026-10823 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-10823 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update YMC Filter to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-10823. Atlas does not run a check for it, so nothing here says whether a particular site is affected.