# CVE-2017-12849: Silverstripe CMS User Enumeration

Source: https://junglewise.ai/threats/cve-2017-12849-silverstripe-cms-user-enumeration  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-17  
License: CC BY 4.0 with a link back

CVE-2017-12849 · Severity: low · CVSS 3 · Published 2022-05-17

Silverstripe CMS User Enumeration

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

## Quick answers

**Is CVE-2017-12849 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2017-12849 being exploited in the wild.

**How severe is CVE-2017-12849?** Low severity, with a CVSS score of 3, published 17 May 2022.

**Which products and versions are affected?** silverstripe/cms (Packagist) ECOSYSTEM:introduced=0,fixed=3.5.5.

**Is there a fix for CVE-2017-12849?** Yes. silverstripe/cms (Packagist): upgrade to 3.5.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2017-12849?** Check whether you run silverstripe/cms (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

- silverstripe/cms (Packagist): upgrade to 3.5.5 or later

  ```sh
  composer require silverstripe/cms:^3.5.5
  ```


## Affected products

- silverstripe/cms (Packagist) ECOSYSTEM:introduced=0,fixed=3.5.5

## Identifiers

- CVE-2017-12849
- GHSA-fwhr-g5r4-xgxf

## Related threats

- [Silverstripe CMS cross-site scripting in breadcrumbs page list view](https://junglewise.ai/threats/cve-2026-54717-silverstripe-cms-cross-site-scripting-in-breadcrumbs-page-list)
- [Silverstripe SiteTree Creation Permission Vulnerability](https://junglewise.ai/threats/silverstripe-sitetree-creation-permission-vulnerability-69d2a833)
- [Silverstripe XSS vulnerability via VirtualPage](https://junglewise.ai/threats/silverstripe-xss-vulnerability-via-virtualpage-2b5b3803)
- [Silverstripe History XSS Vulnerability](https://junglewise.ai/threats/silverstripe-history-xss-vulnerability-c88cf02c)
- [Silverstipe CMS Stored XSS in custom meta tags](https://junglewise.ai/threats/cve-2022-37421-silverstipe-cms-stored-xss-in-custom-meta-tags)