Vulnerability record · CVE-2020-15276 · published 30 October 2020

CVE-2020-15276: Basercms cross-site scripting vulnerability

Basercms · Basercms

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.

8.7 CVSS 3.1 High EPSS 1.0% · top 38.4% CWE-79 · Cross-site scripting

8.7CVSS 3.1 base score, v2 3.5

1.0%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Basercms Basercms

References

Link	Tags
https://basercms.net/security/20201029	Vendor Advisory
https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54	PatchThird Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg	PatchThird Party Advisory
https://basercms.net/security/20201029	Vendor Advisory
https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54	PatchThird Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg	PatchThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-15276), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.