CVE-2026-86782 Visualizer < 4.0.6 - Contributor+ Arbitrary Post/Page Modification via IDOR
Contributors can modify or overwrite posts and pages owned by other users due to missing authorization checks in the Visualizer plugin.
- 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-2026-86782?
CVE-2026-86782 is a medium-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 access to its chart-building actions, allowing users with the Contributor role and above to publish, rename, and overwrite the content of posts and pages they do not own, including other users' private drafts.
Weakness: CWE-639
Which versions are affected by CVE-2026-86782?
How do I fix CVE-2026-86782?
No fix has been published for CVE-2026-86782 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-2026-86782 being exploited?
There is no known exploitation of CVE-2026-86782 in the wild and no public exploit code.
Sources
Also known as GHSA-6v38-qwxj-3wr2.