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CVE-2026-5362— Pimcore Platform v12.3.3 - Stored XSS in Document Editable Embed rendering

Quick assessment

Affected
pimcore pimcore
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.

Pimcore是奥地利Pimcore公司的一套开源的用于创建和管理Web应用程序的Web内容管理平台。该平台集成了Web内容管理、电子商务框架和产品信息管理等应用。 pimcore 12.3.3版本存在跨站脚本漏洞，该漏洞源于认证用户可在文档嵌入可编辑区域存储特制HTML/JavaScript，可能导致发布页面渲染时执行脚本。

AI Predicted 7.5 Difficulty: Easy EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-5362

Vulnerability Information
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Vulnerability Title
Pimcore Platform v12.3.3 - Stored XSS in Document Editable Embed rendering
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated attacker with permission to edit document content can store crafted HTML/JavaScript in a Document embed editable and cause script execution when the published page is rendered. This issue affects pimcore: v12.3.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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
Pimcore 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pimcore是奥地利Pimcore公司的一套开源的用于创建和管理Web应用程序的Web内容管理平台。该平台集成了Web内容管理、电子商务框架和产品信息管理等应用。 pimcore 12.3.3版本存在跨站脚本漏洞，该漏洞源于认证用户可在文档嵌入可编辑区域存储特制HTML/JavaScript，可能导致发布页面渲染时执行脚本。
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
pimcore pimcore v12.3.3 -

II. Public POCs for CVE-2026-5362

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III. Intelligence Information for CVE-2026-5362

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Vendor Advisories for CVE-2026-5362 (1)

Vendor Pages for CVE-2026-5362 (1)

IV. Related Vulnerabilities

Same product: pimcore
Same vendor: pimcore
Same weakness: CWE-79

V. Comments for CVE-2026-5362

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