Improper Neutralization of Special Elements in Output Used by a Downstream Component in Discourse - CVE-2024-39320

 

Improper Neutralization of Special Elements in Output Used by a Downstream Component in Discourse - CVE-2024-39320

Published: July 30, 2024


Vulnerability identifier: #VU94855
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-39320
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to iframe injection though default site setting. A remote attacker can inject iframes from any domain.


Affected software

Discourse

How to mitigate CVE-2024-39320

Install updates from vendor's website.

Discourse - addressed in versions 3.2.2 beta, 3.3.0 beta2

External References

Related Security Bulletins