CVE-2025-59337: discourse Command Injection — Fix

Description

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, malicious meta-commands could be embedded in a backup dump and executed during restore. In multisite setups, this allowed an admin of one site to access data or credentials from other sites. This issue is fixed in version 3.5.1.

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CVSS v3.1 Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
discourse	discourse	< 3.5.1
discourse	discourse	< 3.6.0
discourse	discourse	All

References

Advisories & Patches

https://github.com/discourse/discourse/commit/43536b60d012cc8084e7e701d6afab9ba01e28a5 https://github.com/discourse/discourse/security/advisories/GHSA-7xjr-4f4g-9887

Frequently Asked Questions

What is CVE-2025-59337? +

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, malicious meta-commands could be embedded in a backup dump and executed during restore. In multisite setups, this allowed an admin of one site to access data or credentials from other sites. This issue is fixed in version 3.5.1. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2025-59337? +

CVE-2025-59337 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-59337? +

CVE-2025-59337 affects products from discourse, specifically: discourse. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-59337? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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