SB20261112125 - Cross-site scripting in DataEase



SB20261112125 - Cross-site scripting in DataEase

Published: November 12, 2026

Security Bulletin ID SB20261112125
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Cross-site scripting (CVE-ID: N/A)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote attacker to execute arbitrary JavaScript in the DataEase origin through stored cross-site scripting.

The vulnerability exists due to incomplete SVG element-name validation in StaticResourceServer.containsDangerousContent when comparing namespace-prefixed tag names against an unqualified blacklist. A remote attacker can upload an SVG containing <s:script> through an image-suffixed upload route without authentication and induce a victim with any required resource-read authorization to open it as a script-capable document, executing the embedded JavaScript.


Remediation

Install update from vendor's website.