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CVE-2026-44737— grav-plugin-admin: Stored Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][title]

Quick assessment

Affected
getgrav grav-plugin-admin
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-Plugin-Admin是Grav开源的一个管理插件。用于配置Grave页面。 Grav-Plugin-Admin 1.10.49.5之前版本存在跨站脚本漏洞，该漏洞源于对data[header][title]参数验证和清理不当，可能导致反射型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Trivial EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
getgrav grav-plugin-admin < 1.10.49.5 affected
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I. Basic Information for CVE-2026-44737

Vulnerability Information
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Vulnerability Title
grav-plugin-admin: Stored Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][title]
Source: CVE Program / CVE List V5
Vulnerability Description
grav-plugin-admin is the admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.10.49.5, the application fails to properly validate and sanitize user input in the data[header][title] parameter. As a result, attackers can craft a malicious URL with an XSS payload. When this URL is accessed, the injected script is reflected back in the HTTP response and executed within the context of the victim's browser session. This vulnerability is fixed in 1.10.49.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H
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-Plugin-Admin 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grav-Plugin-Admin是Grav开源的一个管理插件。用于配置Grave页面。 Grav-Plugin-Admin 1.10.49.5之前版本存在跨站脚本漏洞，该漏洞源于对data[header][title]参数验证和清理不当，可能导致反射型跨站脚本攻击。
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
getgrav grav-plugin-admin < 1.10.49.5 -

II. Public POCs for CVE-2026-44737

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III. Intelligence Information for CVE-2026-44737

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Patches & Fixes for CVE-2026-44737 (1)

Vendor Advisories for CVE-2026-44737 (1)

Same Patch Batch · getgrav · 2026-05-11 · 13 CVEs total

CVE-2026-42613 9.4 CRITICAL Grav: Privilege Escalation via Missing Server-Side Validation of groups/access
CVE-2026-42607 9.1 CRITICAL Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Featur
CVE-2026-42611 8.9 HIGH Grav: Stored XSS via Tag Injection
CVE-2026-42843 8.8 HIGH grav-plugin-api: Grav API Privilege Escalation to Super Admin
CVE-2026-42612 8.5 HIGH Grav: Publisher-Level Stored XSS via Unquoted Event Attributes
CVE-2026-42609 8.1 HIGH Grav: Administrative Account Disruption and Privilege De-escalation via User Overwrite Log
CVE-2026-44738 7.7 HIGH Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::t
CVE-2026-42610 6.5 MEDIUM Grav: Sensitive Information Disclosure via Accounts Service Bypass
CVE-2026-42842 5.4 MEDIUM grav-plugin-form: XSS via Taxonomy Field Values in Admin Panel
CVE-2026-42608 Grav: Unauthenticated Path Traversal & Arbitrary File Write in FormFlash component.
CVE-2026-42845 Grav: Anonymous Page Content Overwrite via Form File Upload filename Override
CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

IV. Related Vulnerabilities

Same product: grav-plugin-admin
Same vendor: getgrav
Same weakness: CWE-79

V. Comments for CVE-2026-44737

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