Headline
GHSA-66jv-qrm3-vvfg: baserCMS has a Cross-site Scripting (XSS) Vulnerability in Blog posts Feature
XSS vulnerability in Blog posts feature to baserCMS.
Target
baserCMS 5.1.1 and earlier versions
Vulnerability
Malicious code may be executed in Blog posts feature.
Countermeasures
Update to the latest version of baserCMS
Please refer to the following page to reference for more information. https://basercms.net/security/JVN_00876083
Credits
Ayato Shitomi＠Fore-Z
Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.