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CVE-2026-15990— Formidable Charts <= 2.0.1 - Unauthenticated Arbitrary File Read via 'frm_graph' Parameter

Quick assessment

Affected
Strategy11 Formidable Charts
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.

WordPress 的 Formidable Charts 插件在所有版本（包括 2.0.1 及更早版本）中均存在目录遍历漏洞，攻击向量为 参数。该漏洞使得未认证的攻击者能够读取服务器上任意文件的内容，而这些文件可能包含敏感信息。成功利用此漏洞需要同时激活 Formidable Forms Lite、Formidable Forms Pro 和 Formidable Charts 这三个插件，并且服务器上必须存在 目录（通常是在渲染了图像格式图表后才会出现）。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
Strategy11 Formidable Charts ≤ 2.0.1 affected
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I. Basic Information for CVE-2026-15990

Vulnerability Information
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Vulnerability Title
Formidable Charts <= 2.0.1 - Unauthenticated Arbitrary File Read via 'frm_graph' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Formidable Charts plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.0.1 via the 'frm_graph' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Successful exploitation requires Formidable Forms Lite, Formidable Forms Pro, and Formidable Charts to be active and requires the wp-content/uploads/frm-charts/ directory to exist, normally after an image-format chart is rendered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Strategy11 Formidable Charts 0 ~ 2.0.1 -

II. Public POCs for CVE-2026-15990

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III. Intelligence Information for CVE-2026-15990

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Vendor Pages for CVE-2026-15990 (1)

Other References for CVE-2026-15990 (1)

IV. Related Vulnerabilities

Same vendor: Strategy11
Same weakness: CWE-22

V. Comments for CVE-2026-15990

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