CVE-2026-120488— LaraDashboard before 1.4.9 Stored XSS via LaraBuilder design_json Block Content

Quick assessment

Affected

LaraDashboard LaraDashboard

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.

在 1.4.9 版本之前的 LaraDashboard 存在一个存储型跨站脚本（XSS）漏洞。拥有或权限的已认证用户可以利用该漏洞，通过未过滤的 LaraBuilder 块内容注入脚本。攻击者可以保存包含脚本或事件处理器标记的文本编辑器、HTML、文本或标题块，这些代码会在管理员或超级管理员查看构建器、预览或页面时执行。

CVSS 5.4 · Medium Updated Nov 02, 2026

Possible ATT&CK Techniques 3 AI

T1190 · Exploit Public-Facing Application T1055 · Process Injection T1203 · Exploitation for Client Execution

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Vulnerability Information

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Vulnerability Title

LaraDashboard before 1.4.9 Stored XSS via LaraBuilder design_json Block Content

Source: CVE Program / CVE List V5

Vulnerability Description

LaraDashboard before 1.4.9 contains a stored cross-site scripting vulnerability that allows authenticated users with post.create or post.edit permission to inject scripts via unsanitized LaraBuilder design_json block content. Attackers can save text-editor, HTML, text or heading blocks containing script or event-handler markup that executes in administrator or Superadmin sessions viewing the builder, preview or page.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/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

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
LaraDashboard	LaraDashboard	0 ~ 1.4.9	-

II. Public POCs for CVE-2026-120488

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-120488

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Other References for CVE-2026-120488 (7)

https://github.com/laradashboard/laradashboard/blob/v1.4.8/resources/js/lara-builder/blocks/text-editor/render.php#L99-L104 technical-description
https://github.com/laradashboard/laradashboard/commit/5955d725683b1e63af8c38a149211d6151465aed patch
https://github.com/laradashboard/laradashboard/releases/tag/v1.4.9 release-notes
https://github.com/laradashboard/laradashboard/security/advisories/GHSA-rf5h-55h2-jmf8 vendor-advisory
https://github.com/laradashboard/laradashboard/security/advisories/GHSA-9gg9-jh9p-fw37 vendor-advisory
https://github.com/laradashboard/laradashboard/security/advisories/GHSA-w878-x2w9-3r6f vendor-advisory
https://www.vulncheck.com/advisories/laradashboard-before-1.4.9-stored-xss-via-larabuilder-design-json-block-content third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120488

Same Patch Batch · LaraDashboard · 2026-11-02 · 3 CVEs total

CVE-2026-120487	7.2 HIGH	LaraDashboard before 1.4.5 Incorrect Authorization via SettingPolicy Core Upgrades
CVE-2026-120450	4.3 MEDIUM	LaraDashboard 1.4.0 before 1.4.9 Improper Authorization via MCP send-email Tool

IV. Related Vulnerabilities

Same product: LaraDashboard

Same vendor: LaraDashboard

Same weakness: CWE-79