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CVE-2026-56383— Craft CMS - Stored XSS in Table Field via Row Heading Column Type

Quick assessment

Affected
craftcms cms
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.

CraftCMS cms是CraftCMS的内容管理系统。 Craft CMS存在跨站脚本漏洞，该漏洞源于editableTable.twig组件对行标题默认值输入清理不足，可能导致具有管理员账户的攻击者在其他用户查看受影响表格字段页面时注入任意JavaScript。

CVSS 4.8 · Medium EPSS 0.31% · P22

Affected Version Matrix 4

VendorProduct Version RangeStatus
craftcms cms 4.5.0-beta.1< 4.16.19 affected
4.16.19 unaffected
5.0.0-RC1< 5.8.23 affected
5.8.23 unaffected
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I. Basic Information for CVE-2026-56383

Vulnerability Information
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Vulnerability Title
Craft CMS - Stored XSS in Table Field via Row Heading Column Type
Source: CVE Program / CVE List V5
Vulnerability Description
Craft CMS contains a stored cross-site scripting (XSS) vulnerability in the editableTable.twig component when using the 'Row Heading' column type. The application fails to sanitize input within row heading default values, allowing an attacker with an administrator account (with allowAdminChanges enabled) to inject arbitrary JavaScript that executes when another user views a page containing the affected table field. Affected versions are >= 4.5.0-beta.1 through 4.16.18 and >= 5.0.0-RC1 through 5.8.22; fixed in 4.16.19 and 5.8.23.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Craft CMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CraftCMS cms是CraftCMS的内容管理系统。 Craft CMS存在跨站脚本漏洞，该漏洞源于editableTable.twig组件对行标题默认值输入清理不足，可能导致具有管理员账户的攻击者在其他用户查看受影响表格字段页面时注入任意JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
craftcms cms 4.5.0-beta.1 ~ 4.16.19 -

II. Public POCs for CVE-2026-56383

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III. Intelligence Information for CVE-2026-56383

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Patches & Fixes for CVE-2026-56383 (1)

Vendor Advisories for CVE-2026-56383 (2)

Same Patch Batch · craftcms · 2026-06-21 · 7 CVEs total

CVE-2026-56382 7.2 HIGH Craft CMS - Remote Code Execution via Missing Config Sanitization in FieldsController
CVE-2026-56394 6.5 MEDIUM Craft CMS - Authenticated Path Traversal in assets/icon Extension Parameter
CVE-2026-56381 4.8 MEDIUM Craft CMS - Stored XSS via User Group Name in User Permissions Page
CVE-2026-56393 4.8 MEDIUM Craft CMS - Multiple Stored Cross-Site Scripting in Settings Names and Field Options
CVE-2026-56384 4.3 MEDIUM Craft CMS - Missing Authorization in assets/preview-thumb Endpoint
CVE-2026-56385 4.3 MEDIUM Craft CMS - Authorization Bypass in assets/preview-file Endpoint

IV. Related Vulnerabilities

Same product: cms
Same vendor: craftcms
Same weakness: CWE-79

V. Comments for CVE-2026-56383

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