CVE-2020-15273

Cross-Site Scripting in baserCMS

HIGH
8.1
CVSS Score
Published: October 30, 2020 at 07:10 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
2 products affected across 2 vendorsBasercmsBasercms

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Severity
HIGH8.1
Exploit prediction
EPSS 1%

Description

baserCMS before version 4.4.1 is vulnerable to Cross-Site Scripting. The issue affects the following components: Edit feed settings, Edit widget area, Sub site new registration, New category registration. Arbitrary JavaScript may be executed by entering specific characters in the account that can access the file upload function category list, subsite setting list, widget area edit, and feed list on the management screen. The issue was introduced in version 4.0.0. It is fixed in version 4.4.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0.0 ≤ v < 4.4.1
Affected range stops below 4.4.1, so it looks safe — our inference, not a vendor statement
v < 4.4.1
Affected range stops below 4.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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