Carefully crafted malicious URL can reduce Discourse instance availability
CVE-2024-35227

7.5HIGH

Key Information:

Vendor
Discourse
Status
Discourse
Vendor
CVE Published:
3 July 2024

Summary

A vulnerability exists in the Discourse open-source discussion platform where the Oneboxing feature can be exploited using a carefully crafted malicious URL. This may lead to reduced availability of the Discourse instance. The vulnerability impacts versions prior to 3.2.3 on the stable branch and 3.3.0.beta3 on the tests-passed branch. Users are advised to upgrade to the specified patched versions, as there are currently no workarounds available to mitigate this issue.

Affected Version(s)

discourse stable < 3.2.3 < stable 3.2.3

discourse tests-passed < 3.3.0.beta3 < tests-passed 3.3.0.beta3

References

https://github.com/discourse/discourse/security/advisorie...
x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/10afe5fcf1e...
x_refsource_MISC
https://github.com/discourse/discourse/commit/6ce5673d2c1...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

.