// For flags

CVE-2021-3783

Cross-site Scripting (XSS) - Reflected in yourls/yourls

Severity Score

6.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

yourls es vulnerable a una Neutralización Inapropiada de la Entrada durante la Generación de la Página Web ("Cross-site Scripting")

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-09-09 CVE Reserved
  • 2021-09-15 CVE Published
  • 2024-05-31 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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"
 <= 1.8.2
Search vendor "Yourls" for product "Yourls" and version " <= 1.8.2"
-
Affected