DataEase up to 2.10.27 SVG StaticResourceServer.java StaticResourceServer.validateSvgContent cross site scripting

Summaryinfo

A vulnerability has been found in DataEase up to 2.10.27 and classified as problematic. This affects the function StaticResourceServer.validateSvgContent of the file core/core-backend/src/main/java/io/dataease/visualization/server/StaticResourceServer.java of the component SVG Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-123992. The attack can be initiated remotely. Additionally, an exploit exists. The affected component should be upgraded. The vendor confirms: "The reported tab/entity-based URL bypass is covered by our previously implemented SVG security hardening. The fix replaces the blacklist-based checks with namespace-aware element and attribute allowlists, restricts permitted references to document-local fragments, and applies a restrictive Content Security Policy to uploaded SVG responses."

Detailsinfo

A vulnerability was found in DataEase up to 2.10.27. It has been rated as problematic. This issue affects the function StaticResourceServer.validateSvgContent of the file core/core-backend/src/main/java/io/dataease/visualization/server/StaticResourceServer.java of the component SVG Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-123992. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vendor confirms: "The reported tab/entity-based URL bypass is covered by our previously implemented SVG security hardening. The fix replaces the blacklist-based checks with namespace-aware element and attribute allowlists, restricts permitted references to document-local fragments, and applies a restrictive Content Security Policy to uploaded SVG responses."

Upgrading to version 2.10.28 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 0709fe98d6608c3507daee3e92cf433e7ff61370 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• DataEase

Version

• 2.10.0
• 2.10.1
• 2.10.2
• 2.10.3
• 2.10.4
• 2.10.5
• 2.10.6
• 2.10.7
• 2.10.8
• 2.10.9
• 2.10.10
• 2.10.11
• 2.10.12
• 2.10.13
• 2.10.14
• 2.10.15
• 2.10.16
• 2.10.17
• 2.10.18
• 2.10.19
• 2.10.20
• 2.10.21
• 2.10.22
• 2.10.23
• 2.10.24
• 2.10.25
• 2.10.26
• 2.10.27

License

• open-source

Website

• Product: https://github.com/dataease/dataease/

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Accepted

• Submit #1035492: FIT2CLOUD DataEase (the vulnerable SVG validator lives in the in-repo `core/core-backend` static-resource server) audited at released build 2.10.26, commit `0a9eaf6af890bbc91ebcd71a8a8013f917846245` (runtime: production `CoreApplication.jar` v2.10.26); th (by lucasg2g)

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