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CVE-2026-19057— Stored XSS in Gastromenum's Gastromenum Ticket and QR Menu System

Quick assessment

Affected
Gastromenum Gastromenum Ticket and QR Menu System
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.

Gastromenum Ticket and QR Menu System是GastroMenum公司的一款结合票券与二维码的餐厅菜单系统。 Gastromenum Ticket and QR Menu System 2026.08.31之前版本存在跨站脚本漏洞，该漏洞源于网页生成期间对输入的中和不当，可能导致存储型跨站脚本攻击。

CVSS 5.4 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1059.154

Affected Version Matrix 1

VendorProduct Version RangeStatus
Gastromenum Gastromenum Ticket and QR Menu System < 2026.08.31 affected
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I. Basic Information for CVE-2026-19057

Vulnerability Information
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Vulnerability Title
Stored XSS in Gastromenum's Gastromenum Ticket and QR Menu System
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Gastromenum Gastromenum Ticket and QR Menu System allows Stored XSS. This issue affects Gastromenum Ticket and QR Menu System: before 2026.08.31.
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
Vulnerability Title
Gastromenum Ticket and QR Menu System 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gastromenum Ticket and QR Menu System是GastroMenum公司的一款结合票券与二维码的餐厅菜单系统。 Gastromenum Ticket and QR Menu System 2026.08.31之前版本存在跨站脚本漏洞，该漏洞源于网页生成期间对输入的中和不当，可能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
Gastromenum Gastromenum Ticket and QR Menu System 0 ~ 2026.08.31 -

II. Public POCs for CVE-2026-19057

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-19057

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Vendor Advisories for CVE-2026-19057 (1)

Same Patch Batch · Gastromenum · 2026-09-04 · 3 CVEs total

CVE-2026-19205 7.5 HIGH User Enumeration in GastroMenum's GastroMenum Web Panel
CVE-2026-19081 4.3 MEDIUM Missing Authorization Allows Unauthorized Access to Critical POS Functions in Gastromenum'

IV. Related Vulnerabilities

Same product: Gastromenum Ticket and QR Menu System
Same vendor: Gastromenum
Same weakness: CWE-79