CVE-2020-15276: high-severity vulnerability in baserproject basercms
Cross Site Scripting in baserCMS
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7epss 1.0%
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Affected products
baserproject · basercmsRelated CVEs — baserproject basercms
In the same product, most dangerous first.
CVE-2026-21861CRITICALbaserCMS: OS Command Injection Leading to Remote Code Execution (RCE)EPSS 2.3%CVE-2020-15277HIGHRemote Code Execution in baserCMSEPSS 2.3%CVE-2021-41243CRITICALOS Command Injection Vulnerability and Potential Zip Slip VulnerabilityEPSS 2.2%CVE-2020-15159HIGHCross Site Scripting leading to RCE in baserCMSEPSS 2.2%CVE-2026-30880CRITICALbaserCMS: OS command injection vulnerability in installerEPSS 2.1%CVE-2021-41279HIGHZip Slip Vulnerability in BaserCMSEPSS 1.6%