What is CVE-2022-46148?

CVE-2022-46148 is a high-severity vulnerability in Discourse, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2022-11-29.

How severe is CVE-2022-46148?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Discourse

CVE-2022-46148

Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Discourse — versions <= 2.8.10, >= 2.9.0.beta1, <= 2.9.0.beta11, 2.9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (Third Party Advisory)

Frequently asked questions

What is CVE-2022-46148?: CVE-2022-46148 is a high-severity vulnerability in Discourse, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2022-11-29.
How severe is CVE-2022-46148?: High severity. CVSS v3 base score is 7.1 out of 10.