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CVE-2026-111168— LibreDesk before 2.9.0-rc.8 Stored XSS via SVG Upload Content-Type Parameter

Quick assessment

Affected
abhinavxd libredesk
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.

LibreDesk 2.9.0-rc.8 之前的版本存在一个存储型跨站脚本（XSS）漏洞，允许经过身份验证的代理通过上传具有错误 Content-Type 参数的 SVG 文件来执行脚本。攻击者可以通过 /api/v1/media 接口上传一个 Content-Type 设置为 'image/svg+xml; x' 的 SVG 文件，当访问 GET /uploads/{uuid} 时，该文件会以内联方式呈现且未启用沙箱保护，从而导致任何查看代理或管理员的会话中执行恶意脚本。

CVSS 5.4 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
abhinavxd libredesk < 2.9.0-rc.8 affected
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I. Basic Information for CVE-2026-111168

Vulnerability Information
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Vulnerability Title
LibreDesk before 2.9.0-rc.8 Stored XSS via SVG Upload Content-Type Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
LibreDesk before 2.9.0-rc.8 contains a stored cross-site scripting vulnerability that allows authenticated agents to execute script by uploading SVGs with malformed Content-Type parameters. Attackers can upload an SVG typed 'image/svg+xml; x' via /api/v1/media so GET /uploads/{uuid} serves it inline without sandbox, running script in any viewing agent's or administrator's session.
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
abhinavxd libredesk 0 ~ 2.9.0-rc.8 -

II. Public POCs for CVE-2026-111168

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III. Intelligence Information for CVE-2026-111168

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Patches & Fixes for CVE-2026-111168 (3)

Vendor Advisories for CVE-2026-111168 (1)

Security Blog Posts for CVE-2026-111168 (1)

Other References for CVE-2026-111168 (1)

IV. Related Vulnerabilities

Same product: libredesk
Same vendor: abhinavxd
Same weakness: CWE-79

V. Comments for CVE-2026-111168

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