Medium severity · published Sep 11, 2026
CVE-2026-86782
Visualizer < 4.0.6 - Contributor+ Arbitrary Post/Page Modification via IDOR
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VI
Visualizer ·
4.0.0 before 4.0.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86782
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86782
wpscan.com
https://wpscan.com/vulnerability/ad9909b8-c302-4cb5-bbe7-bff89c64b6ce/
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