CVE-2023-43647 baserCMS Cross-site Scripting vulnerability in File upload Feature

What is CVE-2023-43647?

CVE-2023-43647 is a medium-severity cross-site scripting vulnerability in Basercms Basercms, published on 30 Oct 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

baserCMS is a website development framework. Prior to version 4.8.0, there is a cross-site scripting vulnerability in the file upload feature of baserCMS. Version 4.8.0 contains a patch for this issue.

Weakness: CWE-79

Which versions are affected by CVE-2023-43647?

2 open source packages ship an affected version, including baserproject/basercms. It affects 1 product.

Products include Basercms Basercms.

How do I fix CVE-2023-43647?

Upgrade baserproject/basercms to 4.8.0 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-43647 being exploited?

There is no known exploitation of CVE-2023-43647 in the wild and no public exploit code.

Other vulnerabilities in Basercms Basercms

• CVE-2023-25654 baserCMS File Uploader Remote Code Execution (RCE) vulnerability Critical 9.8
• CVE-2023-25655 baserCMS allows any file to be uploaded Critical 9.8
• CVE-2017-10842 baserCMS SQL Injection vulnerability Critical 9.8
• CVE-2026-30880 baserCMS: OS command injection vulnerability in installer Critical 9.2
• CVE-2026-21861 baserCMS: OS Command Injection Leading to Remote Code Execution (RCE) Critical 9.1

All Basercms Basercms vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-ggj4-78rm-6xgv.