CVE-2026-86706
Critical
Description
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductQuick quotes
PublishedOct 11, 2026
First seenOct 11, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Quick quotes | v ≤ 1.0.0 | — |
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