CVE-2026-86591 Botiga Pro < 1.6.5 - Unauthenticated Arbitrary Blog Options Update via Templates Builder REST Route
Unauthenticated attackers can update arbitrary WordPress options and inject scripts via a REST route, leading to privilege escalation and site takeover.
- 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-2026-86591?
CVE-2026-86591 is a critical missing authorization vulnerability in Unknown Botiga Pro, published on 19 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Botiga Pro WordPress plugin before 1.6.5 does not perform any authorisation checks on one of its REST routes, allowing unauthenticated users to update arbitrary WordPress options with arbitrary values, which could lead to privilege escalation and a full site takeover. The same route also allows unauthenticated users to store arbitrary web scripts which are then executed on every page of the site's front end, as well as to move arbitrary posts to the trash.
Weakness: CWE-862
Which versions are affected by CVE-2026-86591?
How do I fix CVE-2026-86591?
No fix has been published for CVE-2026-86591 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-2026-86591 being exploited?
There is no known exploitation of CVE-2026-86591 in the wild and no public exploit code.
Sources
Also known as GHSA-vc27-9g27-3cvj.