Vulnerability · Published Oct 30, 2020 · Assigned by GitHub_M

CVE-2020-15276Cross Site Scripting in baserCMS

High 7.7

In plain English

A high-severity cross-site scripting in basercms from baserproject. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)1.0%top 36.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistbaserproject/basercms4.4.1GHSA-fw5q-j9p4-3vxg

Affected products (as reported)

VendorProductVersions
baserproject basercms >= 4.0.0, < 4.4.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

References