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Vulnerability record · CVE-2018-19133 · published 9 November 2018

CVE-2018-19133: Flarum information exposure vulnerability

Flarum · Flarum

In Flarum Core 0.1.0-beta.7.1, a serious leak can get everyone's email address.

5.3 CVSS 3.0 Medium EPSS 1.2% · top 33.9% CWE-200 · Information exposure
5.3CVSS 3.0 base score, v2 5.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In Flarum Core 0.1.0-beta.7.1, a serious leak can get everyone's email address.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/flarum/core/issues/1628 Issue TrackingPatchThird Party Advisory
https://github.com/flarum/core/issues/1628 Issue TrackingPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2021-32671Flarum cross-site scripting vulnerabilityFlarum is a forum software for building communities. Flarum's translation system allowed for string inputs to be converted into HTML DOM nodes when r…EPSS 40%8.8CVE-2019-13183Flarum cross-site request forgery vulnerabilityFlarum before 0.1.0-beta.9 allows CSRF against all POST endpoints, as demonstrated by changing admin settings.EPSS 0.79%7.5CVE-2019-11514Flarum vulnerabilityUser/Command/ConfirmEmailHandler.php in Flarum before 0.1.0-beta.8 mishandles invalidation of user email tokens.EPSS 1.3%7.1CVE-2023-40033Flarum server-side request forgery (ssrf) vulnerabilityFlarum is an open source forum software. Flarum is affected by a vulnerability that allows an attacker to conduct a Blind Server-Side Request Forgery…EPSS 0.50%6.8CVE-2025-27794Flarum injection vulnerabilityFlarum is open-source forum software. A session hijacking vulnerability exists in versions prior to 1.8.10 when an attacker-controlled authoritative …EPSS 0.49%5.4CVE-2023-22488Flarum missing authorization vulnerabilityFlarum is a forum software for building communities. Using the notifications feature, one can read restricted/private content and bypass access check…EPSS 0.40%5.4CVE-2022-41938Flarum cross-site scripting vulnerabilityFlarum is an open source discussion platform. Flarum's page title system allowed for page titles to be converted into HTML DOM nodes when pages were …EPSS 0.74%4.9CVE-2023-27577Flarum path traversal vulnerabilityflarum is a forum software package for building communities. In versions prior to 1.7.0 an admin account which has already been compromised by an att…EPSS 0.85%

Source: NIST National Vulnerability Database (record CVE-2018-19133), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.