Low severityNVD Advisory· Published Oct 27, 2021· Updated Aug 3, 2024
Cross-Site Request Forgery (CSRF) in firefly-iii/firefly-iii
CVE-2021-3901
Description
firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
grumpydictator/firefly-iiiPackagist | <= 5.6.2 | — |
Affected products
1- Range: unspecified
Patches
12 files changed · +8 −2
resources/views/v1/bills/show.twig+7 −1 modified@@ -96,7 +96,13 @@ {% endif %} </div> <div class="box-footer"> - <p><a id="billButtons" href="{{ route('bills.rescan',object.data.id) }}" class="btn btn-default">{{ 'rescan_old'|_ }}</a></p> + <form action="{{ route('bills.rescan',object.data.id) }}" method="post"> + <input type="hidden" name="_token" value="{{ csrf_token() }}"/> + <p> + <input type="submit" name="submit" value="{{ 'rescan_old'|_ }}" class="btn btn-default" /> + </p> + </form> + <p><small class="text-muted"> {{ 'running_again_loss'|_ }} </small>
routes/web.php+1 −1 modified@@ -195,7 +195,7 @@ static function () { ['middleware' => 'user-full-auth', 'namespace' => 'FireflyIII\Http\Controllers', 'prefix' => 'bills', 'as' => 'bills.'], static function () { Route::get('', ['uses' => 'Bill\IndexController@index', 'as' => 'index']); - Route::get('rescan/{bill}', ['uses' => 'Bill\ShowController@rescan', 'as' => 'rescan']); + Route::post('rescan/{bill}', ['uses' => 'Bill\ShowController@rescan', 'as' => 'rescan']); Route::get('create', ['uses' => 'Bill\CreateController@create', 'as' => 'create']); Route::get('edit/{bill}', ['uses' => 'Bill\EditController@edit', 'as' => 'edit']); Route::get('delete/{bill}', ['uses' => 'Bill\DeleteController@delete', 'as' => 'delete']);
Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
4- github.com/advisories/GHSA-rqgp-ccph-5w65ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-3901ghsaADVISORY
- github.com/firefly-iii/firefly-iii/commit/b42d8d1e305cad70d9b83b33cd8e0d7a4b2060c2ghsax_refsource_MISCWEB
- huntr.dev/bounties/62508fdc-c26b-4312-bf75-fd3a3f997464ghsax_refsource_CONFIRMWEB
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