{"items":[{"id":"NVI-00005888","kind":"vulnerability","title":"elFinder unsafe upload filtering leading to remote code execution","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-qm58-cvvm-c5qr","CVE-2021-23394"],"plain_summary":"OSV carries this publisher advisory for studio-42/elfinder. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.1.58 for studio-42/elfinder. Confirm the publisher’s latest guidance.","source_ids":["sr-a0742fdabae51c757c16b2e7451dc471"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-502d67e2585c731ecc5118c829cf38c6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T03:38:40.937Z","value":"6.8 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"},{"kind":"CVSS","as_of":"2026-06-17T03:38:40.937Z","value":"8.1 HIGH (3.1)","meaning":"report@snyk.io severity; no combined Null risk score.","source_id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"},{"kind":"CVSS","as_of":"2026-06-17T03:38:40.937Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"18.935%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.97299. Missing scores are unknown.","source_id":"sr-502d67e2585c731ecc5118c829cf38c6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-a0742fdabae51c757c16b2e7451dc471","url":"https://github.com/advisories/GHSA-qm58-cvvm-c5qr","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-qm58-cvvm-c5qr","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:31.004Z"},{"id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23394","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-23394","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:35.928Z"},{"id":"sr-502d67e2585c731ecc5118c829cf38c6","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2021-23394","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a0742fdabae51c757c16b2e7451dc471"],"technology":"studio-42/elfinder","known_exclusions":[],"conditions_summary":"### Impact\n\nBefore elFinder 2.1.58, the upload filter did not disallow the upload of `.phar` files. As several Linux distributions are now shipping Apache configured in a way it will process these files as PHP scripts, attackers could gain arbitrary code execution on the server hosting the PHP connector (even in minimal configuration).\n\n### Patches\n\nThe issue has been addressed with https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1, associating `.phar` files to the right MIME type. Unless explicitly allowed in the configuration, such files cannot be uploaded anymore. This patch is part of the last release of elFinder, 2.1.58.\n\n### Workarounds\n\nIf you can't update to 2.1.58, make sure your connector is not exposed without authentication.\n\n### Important tips\n\nServer-side scripts can often be created as text files. Currently, elFinder has an appropriate MIME type set for file extensions that are generally runnable on a web server.\n\nHowever, the server has various settings. In some cases, the executable file may be judged as \"text/plain\". Therefore, elFinder installers should understand the extensions that can be executed on the web server where elFi","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.58"]}],"null_published_at":"2026-10-31T23:18:17.288Z","source_updated_at":"2026-07-08T06:49:30.989Z","source_disclosed_at":"2021-06-15T15:51:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:31.004Z"},{"id":"NVI-00005888","kind":"vulnerability","title":"elFinder unsafe upload filtering leading to remote code execution","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-qm58-cvvm-c5qr","CVE-2021-23394"],"plain_summary":"OSV carries this publisher advisory for studio-42/elfinder. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.1.58 for studio-42/elfinder. Confirm the publisher’s latest guidance.","source_ids":["sr-a0742fdabae51c757c16b2e7451dc471"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T03:38:40.937Z","value":"6.8 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"},{"kind":"CVSS","as_of":"2026-06-17T03:38:40.937Z","value":"8.1 HIGH (3.1)","meaning":"report@snyk.io severity; no combined Null risk score.","source_id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"},{"kind":"CVSS","as_of":"2026-06-17T03:38:40.937Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-a0742fdabae51c757c16b2e7451dc471","url":"https://github.com/advisories/GHSA-qm58-cvvm-c5qr","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-qm58-cvvm-c5qr","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:31.004Z"},{"id":"sr-77ec1b79c8a272e3cae3ad9cd0de8f4c","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23394","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-23394","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:35.928Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a0742fdabae51c757c16b2e7451dc471"],"technology":"studio-42/elfinder","known_exclusions":[],"conditions_summary":"### Impact\n\nBefore elFinder 2.1.58, the upload filter did not disallow the upload of `.phar` files. As several Linux distributions are now shipping Apache configured in a way it will process these files as PHP scripts, attackers could gain arbitrary code execution on the server hosting the PHP connector (even in minimal configuration).\n\n### Patches\n\nThe issue has been addressed with https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1, associating `.phar` files to the right MIME type. Unless explicitly allowed in the configuration, such files cannot be uploaded anymore. This patch is part of the last release of elFinder, 2.1.58.\n\n### Workarounds\n\nIf you can't update to 2.1.58, make sure your connector is not exposed without authentication.\n\n### Important tips\n\nServer-side scripts can often be created as text files. Currently, elFinder has an appropriate MIME type set for file extensions that are generally runnable on a web server.\n\nHowever, the server has various settings. In some cases, the executable file may be judged as \"text/plain\". Therefore, elFinder installers should understand the extensions that can be executed on the web server where elFi","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.58"]}],"null_published_at":"2026-10-31T22:27:06.714Z","source_updated_at":"2026-07-08T06:49:30.989Z","source_disclosed_at":"2021-06-15T15:51:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:31.004Z"},{"id":"NVI-00005888","kind":"vulnerability","title":"elFinder unsafe upload filtering leading to remote code execution","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qm58-cvvm-c5qr","CVE-2021-23394"],"plain_summary":"OSV carries this publisher advisory for studio-42/elfinder. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.1.58 for studio-42/elfinder. Confirm the publisher’s latest guidance.","source_ids":["sr-a0742fdabae51c757c16b2e7451dc471"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-a0742fdabae51c757c16b2e7451dc471","url":"https://github.com/advisories/GHSA-qm58-cvvm-c5qr","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-qm58-cvvm-c5qr","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:31.004Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a0742fdabae51c757c16b2e7451dc471"],"technology":"studio-42/elfinder","known_exclusions":[],"conditions_summary":"### Impact\n\nBefore elFinder 2.1.58, the upload filter did not disallow the upload of `.phar` files. As several Linux distributions are now shipping Apache configured in a way it will process these files as PHP scripts, attackers could gain arbitrary code execution on the server hosting the PHP connector (even in minimal configuration).\n\n### Patches\n\nThe issue has been addressed with https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1, associating `.phar` files to the right MIME type. Unless explicitly allowed in the configuration, such files cannot be uploaded anymore. This patch is part of the last release of elFinder, 2.1.58.\n\n### Workarounds\n\nIf you can't update to 2.1.58, make sure your connector is not exposed without authentication.\n\n### Important tips\n\nServer-side scripts can often be created as text files. Currently, elFinder has an appropriate MIME type set for file extensions that are generally runnable on a web server.\n\nHowever, the server has various settings. In some cases, the executable file may be judged as \"text/plain\". Therefore, elFinder installers should understand the extensions that can be executed on the web server where elFi","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.58"]}],"null_published_at":"2026-10-31T22:13:05.842Z","source_updated_at":"2026-07-08T06:49:30.989Z","source_disclosed_at":"2021-06-15T15:51:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:31.004Z"}],"next_cursor":null,"snapshot_revision":"42594"}