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CVE-2026-86779— Visualizer < 4.0.6 - Contributor+ Arbitrary Chart Deletion via deleteChart

Quick assessment

Affected

Unknown Visualizer

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Visualizer WordPress 插件在 4.0.6 版本之前未能正确授权图表删除请求，仅执行了站点级的权限检查，而未进行针对单个对象的所属权验证。这使得拥有“贡献者”（Contributor）角色或更高权限的用户可以永久删除站点上的任意图表，包括由管理员等其他用户创建的图表。

AI Predicted 5.5 Difficulty: Easy EPSS 0.28% · P21 Updated Sep 11, 2026

Possible ATT&CK Techniques 1 AI

T1079

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Unknown	Visualizer	`< 4.0.6`	affected

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Vulnerability Information

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Vulnerability Title

Visualizer < 4.0.6 - Contributor+ Arbitrary Chart Deletion via deleteChart

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Unknown	Visualizer	0 ~ 4.0.6	-

II. Public POCs for CVE-2026-86779

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-86779

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Other References for CVE-2026-86779 (1)

🔗 Visualizer < 4.0.6 – Contributor+ Arbitrary Chart Deletion via deleteChart | CVE 2026-86779 | Plugin Vulnerabilities exploit vdb-entry technical-description

https://www.cve.org/CVERecord?id=CVE-2026-86779

Same Patch Batch · Unknown · 2026-09-11 · 24 CVEs total

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CVE-2026-82305		YITH WooCommerce Wishlist < 4.18.1 - Unauthenticated Arbitrary Wishlist Rename via change_
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CVE-2026-14560		Teddy Bear Customize Addon <= 1.0.5 - Unauthenticated Arbitrary File Upload
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Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Visualizer

Same vendor: Unknown