# CVE-2020-15277: Edit template, Remote Code Execution (RCE) Vulnerability in Latest Release 4.4.0

Source: https://junglewise.ai/threats/cve-2020-15277-edit-template-remote-code-execution-rce-vulnerability-in-latest  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2020-10-30  
License: CC BY 4.0 with a link back

CVE-2020-15277 · Severity: low · CVSS 3.1 · Published 2020-10-30

Edit template, Remote Code Execution (RCE) Vulnerability in Latest Release 4.4.0

Technologies: [baserproject/basercms (Packagist)](https://junglewise.ai/threats/technologies/baserproject-basercms). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2020-15277 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-15277 being exploited in the wild.

**How severe is CVE-2020-15277?** Low severity, with a CVSS score of 3.1, published 30 October 2020.

**Which products and versions are affected?** baserproject/basercms (Packagist) ECOSYSTEM:introduced=4.4.0,fixed=4.4.1.

**Is there a fix for CVE-2020-15277?** Yes. baserproject/basercms (Packagist): upgrade to 4.4.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-15277?** Check whether you run baserproject/basercms (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- baserproject/basercms (Packagist): upgrade to 4.4.1 or later

  ```sh
  composer require baserproject/basercms:^4.4.1
  ```


## Affected products

- baserproject/basercms (Packagist) ECOSYSTEM:introduced=4.4.0,fixed=4.4.1

## Identifiers

- CVE-2020-15277
- GHSA-6fmv-q269-55cw

## Related threats

- [baserCMS is Vulnerable to Cross-site Scripting](https://junglewise.ai/threats/cve-2026-32734-basercms-is-vulnerable-to-cross-site-scripting)
- [baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API](https://junglewise.ai/threats/cve-2026-30940-basercms-path-traversal-leads-to-arbitrary-file-write-and-rce-via)
- [baserCMS has OS command injection vulnerability in installer](https://junglewise.ai/threats/cve-2026-30880-basercms-has-os-command-injection-vulnerability-in-installer)
- [baserCMS has a cross-site scripting vulnerability in blog posts](https://junglewise.ai/threats/cve-2026-30879-basercms-has-a-cross-site-scripting-vulnerability-in-blog-posts)
- [baserCMS has Mail Form Acceptance Bypass via Public API](https://junglewise.ai/threats/cve-2026-30878-basercms-has-mail-form-acceptance-bypass-via-public-api)