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CVE-2026-85599— Grav Shortcode Core before 6.2.5 Stored XSS via unescaped parameters

Quick assessment

Affected
getgrav grav-plugin-shortcode-core
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.

Grav grav-plugin-shortcode-core是Grav组织的一款信息化产品。 Grav 6.2.5之前版本存在跨站脚本漏洞，该漏洞源于[lorem]标签参数和[details] summary参数在写入渲染页面时未经过转义，可能导致具有页面编辑权限的攻击者注入任意HTML和JavaScript，这些脚本会在包括管理员在内的所有页面访问者的浏览器中执行。

CVSS 7.2 · High EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 2

VendorProduct Version RangeStatus
getgrav grav-plugin-shortcode-core < 6.2.5 affected
6.2.5 unaffected
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I. Basic Information for CVE-2026-85599

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Grav Shortcode Core before 6.2.5 Stored XSS via unescaped parameters
Source: CVE Program / CVE List V5
Vulnerability Description
Grav Shortcode Core before 6.2.5 contains stored cross-site scripting vulnerabilities in the [lorem] tag parameter and [details] summary parameter that are written to rendered pages without escaping. Attackers with page-edit access can inject arbitrary HTML and JavaScript that executes in the browsers of all page visitors, including administrators.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
Grav 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grav grav-plugin-shortcode-core是Grav组织的一款信息化产品。 Grav 6.2.5之前版本存在跨站脚本漏洞，该漏洞源于[lorem]标签参数和[details] summary参数在写入渲染页面时未经过转义，可能导致具有页面编辑权限的攻击者注入任意HTML和JavaScript，这些脚本会在包括管理员在内的所有页面访问者的浏览器中执行。
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
getgrav grav-plugin-shortcode-core 0 ~ 6.2.5 -

II. Public POCs for CVE-2026-85599

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III. Intelligence Information for CVE-2026-85599

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Vendor Advisories for CVE-2026-85599 (2)

Same Patch Batch · getgrav · 2026-09-04 · 7 CVEs total

CVE-2026-85604 8.8 HIGH Grav before 2.0.18 Remote Code Execution via sort filter
CVE-2026-85603 6.5 MEDIUM Grav Admin Plugin Path Traversal via Save As Language Code
CVE-2026-85598 6.4 MEDIUM Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages
CVE-2026-85600 5.4 MEDIUM Grav Admin before 2.0.21 Stored XSS via username
CVE-2026-85601 5.4 MEDIUM Grav Admin before 2.0.20 Cross-Site Scripting via marked.js
CVE-2026-85602 5.3 MEDIUM Grav Form Plugin before 9.1.20 reCAPTCHA v3 Authentication Bypass

IV. Related Vulnerabilities

Same product: grav-plugin-shortcode-core
Same vendor: getgrav
Same weakness: CWE-79

V. Comments for CVE-2026-85599

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