What is the CVSS score of CVE-2020-15273?

CVE-2020-15273 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N. EPSS exploitation probability: 1.0%.

Is there a patch available for CVE-2020-15273?

Yes, a patch is available for CVE-2020-15273. Update the affected software to the latest version immediately.

Basercms CVE-2020-15273

HIGH

Cross-site Scripting (XSS) (CWE-79)

2020-10-30 security-advisories@github.com

XSS File Upload Basercms

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Oct 30, 2020 - 19:15 nvd

HIGH 8.1

DescriptionNVD

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.

AnalysisAI

baserCMS before version 4.4.1 is vulnerable to Cross-Site Scripting. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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 products include: Basercms. Version information: version 4.4.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.