CVE-2026-86779 Visualizer < 4.0.6 - Contributor+ Arbitrary Chart Deletion via deleteChart
Contributors can permanently delete any chart on the site, including those created by administrators, due to missing per-object ownership checks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86779?
CVE-2026-86779 is a low-severity missing authorization vulnerability in Unknown Visualizer, published on 11 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Visualizer WordPress plugin before 4.0.6 does not properly authorise chart-deletion requests, performing only a site-wide capability check with no per-object ownership verification, allowing users with the Contributor role and above to permanently delete any chart on the site, including charts created by other users such as administrators.
Weakness: CWE-862
Which versions are affected by CVE-2026-86779?
How do I fix CVE-2026-86779?
No fix has been published for CVE-2026-86779 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-2026-86779 being exploited?
There is no known exploitation of CVE-2026-86779 in the wild and no public exploit code.
Sources
Also known as GHSA-p8f8-hfx5-63r6.