// For flags

CVE-2021-35955

 

Severity Score

4.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Contao >=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7.

Contao versiones posteriores a 4.0.0 incluyéndola, permite un ataque de tipo XSS de backend por medio de atributos HTML a un campo HTML. Corregido en versiones 4.4.56, 4.9.18, 4.11.7

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-29 CVE Reserved
  • 2021-08-12 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-12-17 EPSS 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
Contao
Search vendor "Contao"
 Contao
Search vendor "Contao" for product "Contao"
 >= 4.0.0 < 4.4.56
Search vendor "Contao" for product "Contao" and version " >= 4.0.0 < 4.4.56"
-
Affected
Contao
Search vendor "Contao"
 Contao
Search vendor "Contao" for product "Contao"
 >= 4.5.0 < 4.9.18
Search vendor "Contao" for product "Contao" and version " >= 4.5.0 < 4.9.18"
-
Affected
Contao
Search vendor "Contao"
 Contao
Search vendor "Contao" for product "Contao"
 >= 4.10.0 < 4.11.7
Search vendor "Contao" for product "Contao" and version " >= 4.10.0 < 4.11.7"
-
Affected