CVE-2026-86706 Quick quotes WordPress plugin - Broken Access Control

Quick quotes WordPress plugin through 1.0.0 contains a broken access control vulnerability caused by lack of capability or nonce checks in an AJAX action, letting unauthenticated attackers alter site settings and cause denial of service.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.31% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published
11 October 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version of the Quick quotes WordPress plugin.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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