CVE-2020-15155

HighCVSS 7.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
baserproject	basercms	>= unspecified, < < 4.3.7

References

https://basercms.net/security/20200827Vendor Advisory
https://github.com/baserproject/basercms/commit/94cbfab74c9fd6d04492597a1a684674c3c0e30fPatch, Third Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-4r3m-j6x5-48m3Patch, Third Party Advisory
https://basercms.net/security/20200827Vendor Advisory
https://github.com/baserproject/basercms/commit/94cbfab74c9fd6d04492597a1a684674c3c0e30fPatch, Third Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-4r3m-j6x5-48m3Patch, Third Party Advisory

Timeline

Published: Aug 28, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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