CVE-2020-15155
Cross-Site Scripting in baserCMS
HIGH
7.3
CVSS Score
Published: August 28, 2020 at 09:40 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
2 products affected across 2 vendorsBasercmsBasercms
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Severity
HIGH7.3
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 4.3.6
Basercms· Baserprojectcomposer
60%v < < 4.3.7
Affected range stops below < 4.3.7, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/baserproject/basercms/commit/94cbfab74c9fd6d04492597a1a684674c3c0e30fx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/baserproject/basercms/security/advisories/GHSA-4r3m-j6x5-48m3CVSS
7.3HIGHGitHub_M
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- HIGH
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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