Lookup for vulnerable packages by Package URL.
| Purl | pkg:composer/flarum/core@1.8.1 |
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| Type | composer |
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| Namespace | flarum |
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| Name | core |
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| Version | 1.8.1 |
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| Qualifiers |
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| Subpath | |
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| Is_vulnerable | true |
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| Next_non_vulnerable_version | 1.8.16 |
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| Latest_non_vulnerable_version | 2.0.0-rc.1 |
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| Affected_by_vulnerabilities |
| 0 |
| url |
VCID-9cqz-xdsy-ayef |
| vulnerability_id |
VCID-9cqz-xdsy-ayef |
| summary |
Flarum is open source discussion platform software. Prior to version 1.8.5, the Flarum `/logout` route includes a redirect parameter that allows any third party to redirect users from a (trusted) domain of the Flarum installation to redirect to any link. For logged-in users, the logout must be confirmed. Guests are immediately redirected. This could be used by spammers to redirect to a web address using a trusted domain of a running Flarum installation. The vulnerability has been fixed and published as flarum/core v1.8.5. As a workaround, some extensions modifying the logout route can remedy this issue if their implementation is safe. |
| references |
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| fixed_packages |
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| aliases |
CVE-2024-21641, GHSA-733r-8xcp-w9mr
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| risk_score |
3.1 |
| exploitability |
0.5 |
| weighted_severity |
6.2 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-9cqz-xdsy-ayef |
|
| 1 |
| url |
VCID-vuey-qxzt-13be |
| vulnerability_id |
VCID-vuey-qxzt-13be |
| summary |
Flarum is open-source forum software. Prior to versions 1.8.16 and 2.0.0-rc.1, Flarum's patch for CVE-2023-27577 restricted the @import and data-uri() LESS features in the custom_less setting, but the same restriction was never applied to other settings registered as LESS config variables (for example theme_primary_color and theme_secondary_color, as well as any key registered via Extend\Settings::registerLessConfigVar()). Those values are interpolated verbatim into the LESS source at compile time, allowing an authenticated administrator to craft a theme-color value that injects an arbitrary @import directive into the compiled forum.css. Because the underlying LESS parser honours @import (inline) '<path>', an attacker can read arbitrary files reachable by the PHP process (local file inclusion) or trigger outbound HTTP(S) requests (server-side request forgery). This issue has been patched in versions 1.8.16 and 2.0.0-rc.1. |
| references |
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| fixed_packages |
|
| aliases |
CVE-2026-41887, GHSA-xjvc-pw2r-6878
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| risk_score |
3.1 |
| exploitability |
0.5 |
| weighted_severity |
6.2 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-vuey-qxzt-13be |
|
| 2 |
| url |
VCID-xxse-e4ch-h3g1 |
| vulnerability_id |
VCID-xxse-e4ch-h3g1 |
| summary |
Flarum is open-source forum software. A session hijacking vulnerability exists in versions prior to 1.8.10 when an attacker-controlled authoritative subdomain under a parent domain (e.g., `subdomain.host.com`) sets cookies scoped to the parent domain (`.host.com`). This allows session token replacement for applications hosted on sibling subdomains (e.g., `community.host.com`) if session tokens aren't rotated post-authentication. Key Constraints are that the attacker must control any subdomain under the parent domain (e.g., `evil.host.com` or `x.y.host.com`), and the parent domain must not be on the Public Suffix List. Due to non-existent session token rotation after authenticating we can theoretically reproduce the vulnerability by using browser dev tools, but due to the browser's security measures this does not seem to be exploitable as described. Version 1.8.10 contains a patch for the issue. |
| references |
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| fixed_packages |
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| aliases |
CVE-2025-27794, GHSA-hg9j-64wp-m9px
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| risk_score |
3.1 |
| exploitability |
0.5 |
| weighted_severity |
6.2 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-xxse-e4ch-h3g1 |
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| Fixing_vulnerabilities |
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| Risk_score | 3.1 |
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| Resource_url | http://public2.vulnerablecode.io/packages/pkg:composer/flarum/core@1.8.1 |
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