CVE-2026-86706 Quick quotes <= 1.0.0 - Unauthenticated Integer-Value Option Update
Unauthenticated attackers can modify arbitrary site settings and cause denial of service due to missing capability checks in the Quick Quotes WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86706?
CVE-2026-86706 is a critical missing authorization vulnerability in Unknown Quick quotes, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-86706?
How do I fix CVE-2026-86706?
No fix has been published for CVE-2026-86706 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86706 being exploited?
There is no known exploitation of CVE-2026-86706 in the wild and no public exploit code.
Sources
Also known as GHSA-jx49-gcm7-9vg4.