What is CVE-2019-13183?

CVE-2019-13183 is a high-severity vulnerability in Flarum, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-07-07.

How severe is CVE-2019-13183?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Flarum

CVE-2019-13183

Flarum before 0.1.0-beta.9 allows CSRF against all POST endpoints, as demonstrated by changing admin settings.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2019-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Flarum — versions 0.1.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

github.com/flarum/core/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
discuss.flarum.org/d/20606-flarum-0-1-0-beta-9-released (Release Notes, Vendor Advisory)
github.com/flarum/core/security/advisories/GHSA-3wjh-93gr-chh6 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-13183?: CVE-2019-13183 is a high-severity vulnerability in Flarum, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-07-07.
How severe is CVE-2019-13183?: High severity. CVSS v3 base score is 8.8 out of 10.