CVE-2021-35210
June 23, 2021
Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end.
Affected Packages
contao/contao (PHP):
Affected version(s) >=4.5.0 <4.9.16Fix Suggestion:
Update to version 4.9.16contao/contao (PHP):
Affected version(s) >=4.10.0 <4.11.5Fix Suggestion:
Update to version 4.11.5contao/core-bundle (PHP):
Affected version(s) >=4.5.0 <4.9.16Fix Suggestion:
Update to version 4.9.16contao/core-bundle (PHP):
Affected version(s) >=4.10.0 <4.11.5Fix Suggestion:
Update to version 4.11.5Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
4.3
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.32
