DiceBear up to 9.4.2 SVG Generation svg.ts addRotate rotate injection

Summaryinfo

A vulnerability was found in DiceBear up to 9.4.2. It has been declared as critical. Impacted is the function addRotate of the file packages/@dicebear/core/src/utils/svg.ts of the component SVG Generation. The manipulation of the argument rotate results in injection. This vulnerability is reported as CVE-2026-68921. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in DiceBear up to 9.4.2. It has been classified as critical. Affected is the function addRotate of the file packages/@dicebear/core/src/utils/svg.ts of the component SVG Generation. The manipulation of the argument rotate with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

DiceBear is an avatar library for designers and developers. Prior to 9.4.3, @dicebear/core interpolates the rotate option into an SVG transform attribute without XML escaping in addRotate in packages/@dicebear/core/src/utils/svg.ts, while @dicebear/initials similarly emits fontSize and fontWeight without escaping in packages/@dicebear/initials/src/index.ts. Runtime callers can pass strings despite the numeric TypeScript types, break out of the attributes, and inject arbitrary SVG markup. Script can execute in the page origin when the generated avatar is inserted inline or served as image/svg+xml and opened directly, although exploitation requires an application to pass untrusted values into these normally developer-controlled options. This issue is fixed in @dicebear/core and @dicebear/initials version 9.4.3.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-68921 since 07/31/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

Upgrading to version 9.4.3 eliminates this vulnerability.

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Productinfo

Name

• DiceBear

Version

• 9.4.0
• 9.4.1
• 9.4.2

Website

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

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