CVE-2020-15155: 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 7.3epss 1.3%
baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) via arbitrary script execution. Admin access is required to exploit this vulnerability. The affected components is toolbar.php. The issue is fixed in version 4.3.7.
CVSS:3.1/AV:N/AC:H/PR:H/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%