CVE-2026-6854 Details.
My Calendar < 3.7.9 - Unauthenticated SQL Injection
Atlas does not check this one. Needs a scripted sequence.
This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one.
About CVE-2026-6854. What It Means.
The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'mc_auth' parameter in all versions up to, and including, 3.7.8 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from th…
Affected Product. What Is Hit.
The record for CVE-2026-6854 does not name a vendor or product yet.
References. Where To Read More.
FAQ
Common Questions.
My Calendar < 3.7.9 - Unauthenticated SQL Injection. The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'mc_auth' parameter in all versions up to, and including, 3.7.8 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from th…
No. This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one. The facts about CVE-2026-6854 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-6854 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update the affected software 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-2026-6854. Atlas does not run a check for it, so nothing here says whether a particular site is affected.