baserCMS before version 4.4.1 is vulnerable to Cross-Site Scripting. Arbitrary JavaScript may be executed by entering a crafted nickname in blog comments. The issue affects the blog comment component. It is fixed in version 4.4.1.
https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg
https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54
https://basercms.net/security/20201029
Source: Mitre, NVD
Published: 2020-10-30
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 8.7
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Severity: High
EPSS: 0.00592