CVE-2026-66472
CriticalCVSS 9.3Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
The Everest Backup plugin versions up to 2.3.12 contain an unauthenticated SQL Injection vulnerability. An attacker without logging in can send specially crafted queries that can manipulate the database.
Risk Assessment
An attacker can read, modify, or delete data from the database, potentially leading to confidentiality, integrity, and availability breaches. This may also enable takeover of administrator accounts or the entire site.
Recommendation
Update the Everest Backup plugin to the latest version that includes the fix. If not available, immediately restrict access to the plugin and monitor database logs for suspicious queries.
Other vulnerabilities in Everest Backup
See all- CVE-2026-39802High
The Everest Backup plugin versions up to 2.3.13 contain an unauthenticated Remote Code Execution (RCE) vulnerability.
- CVE-2025-62946Medium
Missing Authorization vulnerability in everestthemes Everest Backup everest-backup allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Everest Backup: from n/a through <= 2.3.8.
Original NVD description (English source)
Unauthenticated SQL Injection in Everest Backup <= 2.3.12 versions.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

