Cross-site scripting in baserCMS - CVE-2020-15276
Published: October 29, 2020 / Updated: April 27, 2026
Vulnerability identifier: #VU128060
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2020-15276
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: baserproject
Affected software:
baserCMS
baserCMS
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary script code in the victim's browser.
The vulnerability exists due to cross-site scripting in blog comment posting when handling user-supplied comment content. A remote attacker can submit a specially crafted comment to execute arbitrary script code in the victim's browser.
How to mitigate CVE-2020-15276
Install security update from vendor's website.