Vulnerability · Published Aug 26, 2021 · Assigned by @huntrdev

CVE-2021-3734Improper Restriction of Rendered UI Layers or Frames in yourls/yourls

Medium 6.5

In plain English

A medium-severity security flaw in yourls/yourls from yourls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.0)6.5Medium
Exploit odds (30 days)0.4%top 65.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistyourls/yourlsno fix listedGHSA-r6g8-jmj9-g945

Affected products (as reported)

VendorProductVersions
yourls yourls/yourls unspecified – through 1.8.1

Weakness: CWE-1021 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References