# CVE-2026-32734: baserCMS is Vulnerable to Cross-site Scripting

Source: https://junglewise.ai/threats/cve-2026-32734-basercms-is-vulnerable-to-cross-site-scripting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-31  
License: CC BY 4.0 with a link back

CVE-2026-32734 · Severity: low · CVSS 3.1 · Published 2026-03-31

baserCMS is Vulnerable to Cross-site Scripting

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

## Quick answers

**Is CVE-2026-32734 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-32734 being exploited in the wild.

**How severe is CVE-2026-32734?** Low severity, with a CVSS score of 3.1, published 31 March 2026.

**Which products and versions are affected?** baserproject/basercms (Packagist) ECOSYSTEM:introduced=0,fixed=5.2.3.

**Is there a fix for CVE-2026-32734?** Yes. baserproject/basercms (Packagist): upgrade to 5.2.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-32734?** 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 5.2.3 or later

  ```sh
  composer require baserproject/basercms:^5.2.3
  ```


## Affected products

- baserproject/basercms (Packagist) ECOSYSTEM:introduced=0,fixed=5.2.3

## Identifiers

- CVE-2026-32734
- GHSA-677c-xv24-crgx

## Related threats

- [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)
- [baserCMS Update Functionality Vulnerable to OS Command Injection](https://junglewise.ai/threats/cve-2026-30877-basercms-update-functionality-vulnerable-to-os-command-injection)