CVE-2021-3734

Improper Restriction of Rendered UI Layers or Frames in yourls/yourls

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Published Aug 26, 2021 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Description

yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames

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

yourls

yourls/yourls

affected

Version	Status	Constraints
`unspecified`	affected	≤ 1.8.1

Configuration 1 [-]

cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*

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-2021-1859	yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames
Github GHSA	GHSA-r6g8-jmj9-g945	Improper Restriction of Rendered UI Layers or Frames in yourls

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.405% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe
https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd

History

No history.

Subscriptions

Yourls Yourls

Weaknesses

Sources

CVE record Updated: Aug 3, 2024, 5:01 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Aug 26, 2021, 12:48 PM
Updated: Aug 3, 2024, 5:01 PM
Reserved: Aug 24, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:05 AM

Status: Modified
Published: Aug 26, 2021, 1:15 PM
Modified: Jun 17, 2026, 4:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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