CVE-2020-15273 - CVE House

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Status published High CVE-2020-15273

Cross-Site Scripting in baserCMS

7.3 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from baserproject

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baserCMS: unsafe File Upload Leading to Remote Code Execution (RCE)

baserCMS has a Cross-site Scripting (XSS) Vulnerability in Edit Email Form Settings Feature

baserCMS has a Cross-site Scripting (XSS) Vulnerability in Blog posts Feature

baserCMS has Cross-site Scripting Vulnerability in HTTP 400 Bad Request

baserCMS has Cross-site Scripting Vulnerability in Blog posts and Contents list Feature

Affected Vendor

baserproject

View all reports →

Affected Software

basercms

Vulnerable Versions:

>= 4.0.0, < 4.4.1

Timeline

Official Publish: October 30th, 2020

Last Modified: August 4th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement