What is CVE-2022-23549?

CVE-2022-23549 is a medium-severity vulnerability in Discourse, classified under Improper Input Validation. CVSS score: 5.7/10. Published 2023-01-05.

How severe is CVE-2022-23549?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Improper input validation in Discourse

CVE-2022-23549

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, users can create posts with raw body longer than the `max_length` site setting by including html comments that are not counted toward the character limit. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

Affected products

Discourse — versions 2.8.14, 2.9.0.beta16, 2.9.0.beta0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2022-23549?: CVE-2022-23549 is a medium-severity vulnerability in Discourse, classified under Improper Input Validation. CVSS score: 5.7/10. Published 2023-01-05.
How severe is CVE-2022-23549?: Medium severity. CVSS v3 base score is 5.7 out of 10.