// For flags

CVE-2021-3734

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

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

yourls es vulnerable a una Restricción Inapropiada de Capas o Marcos de Interfaz de Usuario Renderizados

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-24 CVE Reserved
  • 2021-08-26 CVE Published
  • 2024-05-11 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-352: Cross-Site Request Forgery (CSRF)
  • CWE-1021: Improper Restriction of Rendered UI Layers or Frames
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Yourls
Search vendor "Yourls"
 Yourls
Search vendor "Yourls" for product "Yourls"
 <= 1.8.1
Search vendor "Yourls" for product "Yourls" and version " <= 1.8.1"
-
Affected