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CVE-2026-46489— SolidInvoice: Unrestricted file upload with no MIME validation allows stored XSS via malicious SVG logo

Quick assessment

Affected
SolidInvoice SolidInvoice
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SolidInvoice是SolidInvoice开源的一个发票解决方案应用程序。 SolidInvoice 2.3.17之前版本存在跨站脚本漏洞，该漏洞源于公司标志上传功能未验证文件类型，可能导致经过身份验证的管理员上传包含嵌入式JavaScript的SVG文件，该脚本被base64编码并注入到应用程序的每个页面，导致存储型跨站脚本攻击。

CVSS 8.1 · High EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
SolidInvoice SolidInvoice < 2.3.17 affected
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I. Basic Information for CVE-2026-46489

Vulnerability Information
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Vulnerability Title
SolidInvoice: Unrestricted file upload with no MIME validation allows stored XSS via malicious SVG logo
Source: CVE Program / CVE List V5
Vulnerability Description
SolidInvoice is an open-source invoicing platform. Prior to version 2.3.17, the company logo upload feature accepts any file type without validation. An authenticated administrator can upload an SVG file containing embedded JavaScript. This script is base64-encoded and injected unescaped into every page of the application, causing stored cross-site scripting (XSS) that executes in every authenticated user's browser. This issue has been patched in version 2.3.17.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/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
SolidInvoice 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolidInvoice是SolidInvoice开源的一个发票解决方案应用程序。 SolidInvoice 2.3.17之前版本存在跨站脚本漏洞，该漏洞源于公司标志上传功能未验证文件类型，可能导致经过身份验证的管理员上传包含嵌入式JavaScript的SVG文件，该脚本被base64编码并注入到应用程序的每个页面，导致存储型跨站脚本攻击。
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
SolidInvoice SolidInvoice < 2.3.17 -

II. Public POCs for CVE-2026-46489

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7251 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-46489

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Patches & Fixes for CVE-2026-46489 (1)

Vendor Advisories for CVE-2026-46489 (1)

Vendor Pages for CVE-2026-46489 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-46489

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