CVE-2018-8899

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Published Mar 22, 2018 CVSS 3.0 · 6.1 Medium EPSS 1.2% KEV · Not listed

Description

IdentityServer IdentityServer4 1.x before 1.5.3 and 2.x before 2.1.3 does not encode the redirect URI on the authorization response page, which might lead to XSS in some configurations.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:identityserver:identityserver4::::::::
	cpe:2.3:a:identityserver:identityserver4::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-20507	IdentityServer IdentityServer4 1.x before 1.5.3 and 2.x before 2.1.3 does not encode the redirect URI on the authorization response page, which might lead to XSS in some configurations.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.2% (1.215% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/IdentityServer/IdentityServer4/commit/21d0da227f50ac102de469a13bc5a15d2cc0f895
https://github.com/IdentityServer/IdentityServer4/issues/2164
https://github.com/IdentityServer/IdentityServer4/releases/tag/1.5.3
https://github.com/IdentityServer/IdentityServer4/releases/tag/2.1.3

History

No history.

Subscriptions

Identityserver Identityserver4

Weaknesses

CWE-79

Sources

CVE record Updated: Aug 5, 2024, 7:10 AM

Status: PUBLISHED
Assigner: mitre
Published: Mar 22, 2018, 5:00 AM
Updated: Aug 5, 2024, 7:10 AM
Reserved: Mar 21, 2018, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:05 AM

Status: Modified
Published: Mar 22, 2018, 5:29 AM
Modified: Jun 17, 2026, 2:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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