// For flags

CVE-2018-20583

 

Severity Score

6.1
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library versions 0.15.6 through 0.18.x before 0.18.1 allows remote attackers to insert unsafe URLs into HTML (even if allow_unsafe_links is false) via a newline character (e.g., writing javascript as javascri%0apt).

Vulnerabilidad Cross-Site Scripting (XSS) en la biblioteca PHP League CommonMark, desde la versión 0.15.6 hasta las 0.18.x anteriores a la 0.18.1, permite que atacantes remotos inserten URL inseguras en HTML (incluso aunque allow_unsafe_links sea falso) mediante un carácter de nueva línea (p.ej., escribiendo JavaScript como javascri%0apt).

*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
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
  • 2018-12-29 CVE Reserved
  • 2018-12-30 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • 2024-09-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
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
Thephpleague
Search vendor "Thephpleague"
 Commonmark
Search vendor "Thephpleague" for product "Commonmark"
 >= 0.15.6 <= 0.18.0
Search vendor "Thephpleague" for product "Commonmark" and version " >= 0.15.6 <= 0.18.0"
-
Affected