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CVE-2026-25496— Craft has a stored XSS in Number Prefix & Suffix Fields

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.

Craft CMS是Craft CMS开源的一套内容管理系统（CMS）。 Craft CMS 4.0.0-RC1版本至4.16.17版本和5.0.0-RC1版本至5.8.21版本存在跨站脚本漏洞，该漏洞源于前缀和后缀字段渲染时未正确转义，可能导致存储型跨站脚本攻击。

AI Predicted 5.4 Difficulty: Easy EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-25496

Vulnerability Information
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Vulnerability Title
Craft has a stored XSS in Number Prefix & Suffix Fields
Source: CVE Program / CVE List V5
Vulnerability Description
Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA: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
Craft CMS是Craft CMS开源的一套内容管理系统（CMS）。 Craft CMS 4.0.0-RC1版本至4.16.17版本和5.0.0-RC1版本至5.8.21版本存在跨站脚本漏洞，该漏洞源于前缀和后缀字段渲染时未正确转义，可能导致存储型跨站脚本攻击。
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 >= 5.0.0-RC1, < 5.8.22 -

II. Public POCs for CVE-2026-25496

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III. Intelligence Information for CVE-2026-25496

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Vendor Advisories for CVE-2026-25496 (1)

Same Patch Batch · craftcms · 2026-02-09 · 8 CVEs total

CVE-2026-25494 Craft has a SSRF in GraphQL Asset Mutation via Alternative IP Notation
CVE-2026-25495 Craft has a SQL Injection in Element Indexes via criteria[orderBy]
CVE-2026-25497 Craft has a GraphQL Asset Mutation Privilege Escalation
CVE-2026-25498 Craft has a potential authenticated Remote Code Execution via malicious attached Behavior
CVE-2026-25493 Craft has a SSRF in GraphQL Asset Mutation via HTTP Redirect
CVE-2026-25492 Craft has a save_images_Asset graphql mutation can be abused to exfiltrate AWS credentials
CVE-2026-25491 Craft has a Stored XSS in Entry Types Name

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-25496

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