CVE-2023-41049

Improper Neutralization of Script in Attributes in @dcl/single-sign-on-client

MEDIUM
6.1
CVSS Score
Published: September 1, 2023 at 07:35 PM UTC
Updated: June 17, 2026 at 06:20 AM UTC
1 product affected across 1 vendorSingle Sign on Client

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

@dcl/single-sign-on-client is an open source npm library which deals with single sign on authentication flows. Improper input validation in the `init` function allows arbitrary javascript to be executed using the `javascript:` prefix. This vulnerability has been patched on version `0.1.0`. Users are advised to upgrade. Users unable to upgrade should limit untrusted user input to the `init` function.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.1.0
Affected range stops below 0.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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