CVE Catalog

CVE-2026-86706

CriticalCVSS 9.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.15%

3th percentile - higher than 3% of all known CVEs

Summary

The Quick quotes WordPress plugin through 1.0.0 does not perform any capability or nonce check on one of its AJAX actions and lets the caller choose which option is written, allowing unauthenticated users to alter arbitrary site settings and to make the site unavailable.

Risk Assessment

The risk includes unauthorized modification of site settings, potentially leading to site unavailability or security compromise.

Recommendation

Update the Quick quotes plugin to a patched version and implement access control mechanisms for AJAX actions.

Related vulnerabilities

Original NVD description (English source)

The Quick quotes WordPress plugin through 1.0.0 does not perform any capability or nonce check on one of its AJAX actions and lets the caller choose which option is written, allowing unauthenticated users to alter arbitrary site settings and to make the site unavailable.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS